| 单词 | gamma |
| 例句 | From gamma rays to radio waves, all are equally respectable bands of light. Cosmos 1980-01-01T00:00:00Z They went right on through us as if they were gamma rays. Stargirl 2000-08-08T00:00:00Z New observations in the next few years, particularly by gravitational wave detectors like LIGO, should enable us to discover the origin of the gamma ray bursts. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z In order to observe a primordial black hole one would have to detect several gamma ray quanta coming from the same direction within a reasonable space of time, such as a week. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z And then I imagine I can feel the X rays and the gamma rays, feel them pinging on my eyelids, shooting through my skull, making the palms of my hands tingle like they've fallen asleep. Things Not Seen 2002-01-01T00:00:00Z These X rays and gamma rays are like waves of light, but with a much shorter wavelength. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The cometary impact and fireball would simulate all effects of a one- megaton nuclear burst, including the mushroom cloud, with two exceptions: there would be no gamma radiation or radioactive fallout. Cosmos 1980-01-01T00:00:00Z We gave them orders; we ordered them strictly and harshly to remain out of gamma fields at whatever cost. I, Robot 1950-12-02T00:00:00Z They have no compulsion to prevent one coming to harm through an extraneous agency such as gamma rays. I, Robot 1950-12-02T00:00:00Z Moreover, the detector would have to be in space, because gamma rays cannot penetrate the atmosphere. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The next question came in a friendly, offhand manner, “Ever work with gamma rays?” I, Robot 1950-12-02T00:00:00Z Their point was that a human being in a gamma field was endangering his life and that it didn’t matter that he could remain there half an hour safely. I, Robot 1950-12-02T00:00:00Z Radio-sodium had a gratifyingly lengthy half-life of fifteen and a half hours and gamma ray energies that Ernest calculated at about 5 million electron volts. Big Science 2015-07-07T00:00:00Z Then, slowly, “But, sir, if the gamma rays are between myself and the master that may be harmed, how can I save him? I would be destroying myself to no purpose.” I, Robot 1950-12-02T00:00:00Z The sensitive counter clicks when exposed to gamma rays or to such high-energy charged particles as protons and helium nuclei. Cosmos 1980-01-01T00:00:00Z The new biotic control of insects is not wholly a matter of electronics and gamma radiation and other products of man’s inventive mind. Silent Spring 1962-09-27T00:00:00Z Beyond the ultraviolet is the X-ray part of the spectrum, and beyond the X- rays are the gamma rays. Cosmos 1980-01-01T00:00:00Z Primordial black holes with initial masses less than this figure would already have completely evaporated, but those with slightly greater masses would still be emitting radiation in the form of X rays and gamma rays. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z We do observe such a background of gamma rays: Fig. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z But despite the close agreement in position Helfand and Long do not insist that the gamma ray outburst is associated with the supernova remnant. Cosmos 1980-01-01T00:00:00Z And to observe these few coming from the distance of Pluto would require a larger gamma ray detector than any that have been constructed so far. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z “Unfortunately, between the man and yourself, there will be a gamma ray field.” I, Robot 1950-12-02T00:00:00Z “Well, just for fun—suppose I ask the robots from now on a few questions on gamma rays. Wave length limits, for instance.” I, Robot 1950-12-02T00:00:00Z They provided precise ionization data, spelled out their theory on how positrons emitted by the bombarded atoms transmuted into gamma rays, and carefully avoided any speculation about the significance of the new phenomenon. Big Science 2015-07-07T00:00:00Z We could look for the gamma rays that the primordial black holes emit during most of their lifetime. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z I would very much like this to be the case but I have to recognize that there are other possible explanations for the gamma ray bursts, such as colliding neutron stars. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z “Asteroid impact, gamma radiation from a nearby supernova, nuclear holocaust.” We Are the Ants 2016-01-19T00:00:00Z Even shorter wavelengths are known as ultraviolet, X rays, and gamma rays. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z So we warned every robot in advance that gamma rays would kill them, which it would, and we further warned them all that gamma rays would be between them and myself. I, Robot 1950-12-02T00:00:00Z Ice cubes don’t wipe out civilizations with bursts of gamma rays, though following the then-accepted rules of physics led inexorably to that conclusion. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z “We got some replacements, but mostly it was a job of indoctrination. Anyway, the people who make them want to figure out robots that aren’t hit so bad by gamma rays.” I, Robot 1950-12-02T00:00:00Z Some scientists have suggested that it was caused by a piece of hurtling antimatter, annihilated on contact with the ordinary matter of the Earth, disappearing in a flash of gamma rays. Cosmos 1980-01-01T00:00:00Z “Mm-m. Well, boy, gamma rays will kill you instantly. They’ll destroy your brain. That is a fact you must know and remember. Naturally, you don’t want to destroy yourself.” I, Robot 1950-12-02T00:00:00Z “The only thing I can advise, boy, is that if you detect the gamma radiation between yourself and the man, you may as well sit where you are.” I, Robot 1950-12-02T00:00:00Z This involved bombarding samples with neutrons in a small nuclear reactor and carefully counting the gamma rays that were emitted; it was extremely finicky work. A Short History of Nearly Everything 2003-05-06T00:00:00Z With primordial black holes being so scarce, it might seem unlikely that there would be one near enough for us to observe as an individual source of gamma rays. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z In fact bursts of gamma rays from space have been detected by satellites originally constructed to look for violations of the Test Ban Treaty. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z It’s clear that we are not watching an isolated insomniac episode but a regular ritual: He is kept up at night, he says, with “always the hope gamma rays will merge our essence.” Review: Up All Night, With Rebecca Hall as Muse, in ‘Soundstage’ 2018-09-20T04:00:00Z And there's a new face: Mark Ruffalo plays Bruce Banner, the mild-mannered gamma radiation expert who, when he gets upset, is transformed into the uncontrollable monster Hulk. 'The Avengers': Superhero flick is a blast 2012-05-02T20:02:47Z The gamma from March had already lasted three months. Sarah Manguso: the disease that stole my youth 2011-01-23T00:05:41Z The signature of positrons has been detected by the Fermi Gamma-ray telescope above storms and the annihilation of this antimatter with normal matter builds the intensity of the gamma ray flashes. What goes on when lightning strikes? 2013-05-25T23:07:12Z But there can also be intense bursts of gamma rays – extremely high-energy radiation – from the heart of a storm. What goes on when lightning strikes? 2013-05-25T23:07:12Z Doubtless there are those who will object that climate change, nuclear war, gamma ray bursts and pandemics aren’t subjects to joke about. That’s All, Folks: A Serious Joke Book About Climate Change 2022-05-13T04:00:00Z The best I can award Alpha and Omega is a generous gamma plus. Legend of the Guardians: The Owls of Ga'Hoole; Alpha and Omega 3D ? film review 2010-10-23T23:05:00Z I would still relapse, but it was clear that the steroids and the gamma would keep me at least as well as apheresis would, so it was decided I wouldn't have my plasma replaced again. Sarah Manguso: the disease that stole my youth 2011-01-23T00:05:41Z Finally, after Amy declares the soothing spa music to be irritating, her friend explodes: “Only you can be irritated by gamma waves and a whale,” she says. 'Veep' Recap: Listen, You Are Beyoncé 2015-05-17T04:00:00Z The gamma rays that bounced back were strong enough for Mr. Smither to collect and read. Leonardo Mural in Florence May Be Revealed 2011-08-26T23:53:05Z I wasn't well yet – I was taking steroids and gamma globulin. Sarah Manguso: the disease that stole my youth 2011-01-23T00:05:41Z In principle, passengers in a nearby aircraft could receive the equivalent of 100 chest x-rays from a single gamma ray flash, though commercial pilots routinely avoid large thunderclouds. What goes on when lightning strikes? 2013-05-25T23:07:12Z Visitors are challenged in virtual exercises to find gamma rays, calculate the engine power needed for air cargo drops, build bridges and diagnose illnesses. New Army Museum highlights innovation and individual stories 2020-11-10T05:00:00Z They were in exactly the right place at the right time, sheltered from the gamma and infrared death rays, and then from the flattening blast, in spots that acted as natural shock cocoons. 2010-01-20T05:19:00Z A specialist in gamma rays, she spoke to Burgess about being an “archaeologist of space.” ‘We Choose to Go to the Moon’: Kennedy dream inspires a dance 2015-09-11T04:00:00Z Optical, radio, X-ray and gamma ray telescopes on mountaintops and in space, underground neutrino detectors and gravitational-wave observatories extend our sight to the edges of the universe. This Is How It All Ends 2020-08-04T04:00:00Z Kevin then presses the wrong button, and an entire customer is wiped from the records, as if by a gamma ray-gun. Have you been watching ... Undercover Boss? 2011-08-03T10:48:22Z I attributed it to interspecies rivalry; no animal wants a new, larger arrival to reduce him from gamma to delta status. Perspective | Gene Weingarten: The tail of a ruff few days 2020-02-10T05:00:00Z The software also had more advanced options like contrast and gamma adjustments that I just didn’t see from the Fujitsu. Best portable scanner on the market 2012-11-04T17:00:00Z Transforming into a superhero usually requires a radioactive insect bite, surviving deadly exposure to gamma rays, or being lucky enough to be born into a species with extraordinary powers. Oscar Wao Takes His Superpowers to the Stage 2019-10-22T04:00:00Z Now his questions are: “What is heavy water? What is gamma radiation?” 'These men are bad role models': will my son get over his superhero obsession? 2018-11-10T05:00:00Z Recently, the IceCube team signed an agreement with the Nasa scientists who operate the Swift satellite that scours space for gamma ray bursts, the most violent events in the universe. The hunt for neutrinos in the Antarctic 2011-01-23T00:05:49Z But an intense blast of gamma rays from a nearby GRB would create nitrogen oxides that destroy ozone faster than it can regenerate. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z Such events are known as gamma ray bursts, and astronomers who have continued studying this one said it was the “brightest of all time.” A Supernova ‘Destroyed’ Some of Earth’s Ozone for a Few Minutes in 2022 2023-11-14T05:00:00Z "The results of this research shed light on the promising feasibility, therapeutic potential, and remarkable safety profile of these engineered CD16-high gamma delta T cells," Yang said. Scientists engineer potent immune cells for 'off-the-shelf' cancer immunotherapy 2023-11-08T05:00:00Z This year, gamma, a music company owned in part by Apple, set up an office in Lagos, hoping to discover the next Burna Boy or even a host of smaller stars. The World Is Becoming More African 2023-10-29T04:00:00Z This year, gamma, a music company owned in part by Apple, set up an office in Lagos, hoping to discover the next Afrobeats stars. The world is becoming more African 2023-10-28T04:00:00Z These dead stars emanate rotating beams of electromagnetic radiation called gamma rays like a lighthouse, which we can observe from our vantage point on Earth as a light flashing on and off. Vera pulsar pouring out 200 times more energy than thought possible, scientists discover 2023-10-05T04:00:00Z Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z While gamma delta T cell-based treatments have been studied before, they have had limited clinical success due to donor variability, short-lived persistence and cancer cells' ability to escape or avoid the body's immune response. Scientists engineer potent immune cells for 'off-the-shelf' cancer immunotherapy 2023-11-08T05:00:00Z The emitted neutron and gamma ray energy and angular spectra are measured along with the probability for the reaction to occur, typically referred to as the neutron scattering cross section. Chi-Nu experiment ends with data to support nuclear security, energy reactors 2023-09-28T04:00:00Z Instead, they lined us up in the hallways and gave us shots of gamma globulin to boost our immune systems. Anti-vaxxers are now after your dog 2023-09-02T04:00:00Z Exposure to the gamma rays emitted by radium poses a radiological hazard, however, which very likely caused Sochocky's own death at age 45. Will "godlike AI" kill us all — or unlock the secrets of the universe? Probably not 2023-08-12T04:00:00Z The energy of these gamma rays clocked in at 20 tera-electronvolts, or about ten trillion times the energy of visible light. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z However, Yang and her team found that donor gamma delta T cells with high expressions of a CD16 surface marker had a greater ability to kill cancer cells. Scientists engineer potent immune cells for 'off-the-shelf' cancer immunotherapy 2023-11-08T05:00:00Z Only their gamma ray, neutrino and antimatter emissions would reveal their existence, as might perhaps the presence of cold molecular hydrogen gas. Dark matter power: James Webb telescope may have proven the existence of dark stars 2023-07-16T04:00:00Z In the main lab, one volunteer is chopping cabbage before taking it to be measured for gamma radiation, and another is treating water before the sample is tested. Facts are up against fear ahead of Fukushima water release 2023-07-13T04:00:00Z Such a phenomenon - sometimes called a gamma squeeze - occurs when market makers who sold the call options hedge their risk by buying the underlying stock, helping push the share price higher as a result. Rivian options buyers may be helping drive stock higher 2023-07-10T04:00:00Z This observation is hard to reconcile with the theory of the production of such pulsed gamma rays, as the international team reports in the journal Nature Astronomy. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z "We've seen it in many wavelengths of light - like radio waves and gamma rays - but since the dawn of time it was always in electromagnetic radiation. In all wavelengths of light or photons." Milky Way: Icy observatory reveals 'ghost particles' 2023-06-29T04:00:00Z Many cosmic rays are in fact extremely high-energy photons—gamma rays—that can be absorbed by interstellar or intergalactic matter as they travel through space. In a First, Scientists See Neutrinos Emitted by the Milky Way 2023-06-29T04:00:00Z There appears to be some correlation between neutrinos and gamma rays, the highest energy form of light. Neutrinos Build a Ghostly Map of the Milky Way 2023-06-29T04:00:00Z The five common brain-wave types, named alpha, beta, gamma, delta and theta depending on their oscillation rate, signify different states of the brain. Brain Waves Synchronize when People Interact 2023-06-16T04:00:00Z Whatever the explanation, next to its other superlatives, the Vela pulsar now officially holds the record as the pulsar with the highest-energy gamma rays discovered to date. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z The surge of gamma waves in dying subjects was particularly intense in a brain region Borjigin refers to as the “posterior cortical ‘hot zone,’” located near the back of the skull. Why Dying People Often Experience a Burst of Lucidity 2023-06-12T04:00:00Z Another is a gamma ray spectrometer, which like a Geiger counter can capture the radiation emitted by thorium, uranium, and potassium. Major U.S. geological survey aims to uncover minerals critical for batteries and microchips 2023-06-01T04:00:00Z The showering of cosmic rays, gamma rays and neutrinos on Earth shows the universe is anything but calm, with exploding stars, and black holes swallowing their surroundings. Neutrinos Build a Ghostly Map of the Milky Way 2023-06-29T04:00:00Z People with schizophrenia, for example, experience "spontaneous" bursts of gamma activity. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z They found that for about 30 seconds after the heart stopped, the brain showed a surge in what are called gamma waves, which are the highest-frequency electrical oscillations in the brain. Surges of Activity in the Dying Human Brain Could Hint at Fleeting Conscious Experiences 2023-05-02T04:00:00Z His lab previously saw similar gamma waves in one person who died of a heart attack while that person’s brain was being monitored for seizures. Burst of brain activity during dying could explain life passing before your eyes 2023-05-01T04:00:00Z Customs and Border Protection agents in Philadelphia seized six gallons of the industrial solvent gamma butyrolactone, known on the street as “coma in a bottle” and liquid ecstasy. Customs agents seize six gallons of ‘coma in a bottle’ 2023-04-27T04:00:00Z Sophisticated telescopes have surveyed the Milky Way across the spectrum of light, from radio waves to ultra-high-energy gamma rays. Neutrinos Build a Ghostly Map of the Milky Way 2023-06-29T04:00:00Z Nonetheless, the fact that gamma waves were triggered during death in these regions is quite remarkable. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z Similar to Borjigin's rats, the man's brain showed a surge in gamma activity in the 30 seconds before and after his heart stopped. Surges of Activity in the Dying Human Brain Could Hint at Fleeting Conscious Experiences 2023-05-02T04:00:00Z Seconds after their ventilators were removed, two of the patients’ brains suddenly lit up with a burst of neuronal activity in high-frequency patterns called gamma waves that continued as the heart stopped beating. Burst of brain activity during dying could explain life passing before your eyes 2023-05-01T04:00:00Z It captured images in high-energy X-rays and gamma rays, recording more than 100,000 solar events. Old NASA satellite falling to Earth, risk of danger ‘low’ 2023-04-18T04:00:00Z A solar storm or gamma ray assault on the scale of the 774–75 C.E. event would similarly turn the night sky into an awe-provoking swirl of crackling, shimmering light. Marking time: Cosmic ray storms can pin precise dates on history from ancient Egypt to the Vikings 2023-04-13T04:00:00Z Or these gamma waves could just be random signals or bursts of electrical energy that don't mean much. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z In the 30 seconds to two minutes after their ventilators were removed, two of the four patients' brains showed surges in gamma waves. Surges of Activity in the Dying Human Brain Could Hint at Fleeting Conscious Experiences 2023-05-02T04:00:00Z She is not surprised that only two of the four people in Borjigin’s study showed the gamma activity, given that not all people who have survived near-death report memory recall or out-of-body experiences. Burst of brain activity during dying could explain life passing before your eyes 2023-05-01T04:00:00Z Hence, variants like delta and gamma made headlines when they emerged and began to spread — but the WHO has yet to assign any variants a new Greek name since omicron surged in late 2021. The COVID virus has mutated so much since 2019 that some experts say it should be renamed SARS-CoV-3 2023-04-13T04:00:00Z Scientists have revealed how Nasa satellites detected the brightest ever gamma ray explosion in space. Space scientists reveal brightest gamma explosion ever 2023-03-28T04:00:00Z Similar to the dying humans, the rats experienced a "transient and global surge of synchronized gamma oscillations," which are the same signals observed in the two patients. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z Interestingly, this gamma activity seemed organized, in that the gamma waves in one portion of the brain were associated with predictable activity patterns in other regions. Surges of Activity in the Dying Human Brain Could Hint at Fleeting Conscious Experiences 2023-05-02T04:00:00Z Borjigin notes that the two people whose brains showed gamma activity also had a history of seizures, which she says could have primed their brains to experience abnormal rhythms. Burst of brain activity during dying could explain life passing before your eyes 2023-05-01T04:00:00Z Interferon gamma, Chen noted, is a "super important molecule" that helps damage viruses and virally-infected cells. Why do fewer women die of COVID? The answer may lie in the X chromosome's superpower 2023-03-22T04:00:00Z As the isotopes destabilize, they emit gamma rays which can be measured with a high-resolution gamma spectrometer. The unsolved mystery of the president who may have been assassinated with arsenic 2023-03-05T05:00:00Z They reported similar gamma wave activity, but also changes in other signals in the brain. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z The temporoparietal junction, a brain region where the temporal and parietal lobes meet, toward the back of the brain behind the ear, was particularly active with gamma waves. Surges of Activity in the Dying Human Brain Could Hint at Fleeting Conscious Experiences 2023-05-02T04:00:00Z Americium-241, an isotope that emits gamma and beta rays as it decays, is found in homes around the world in an unassuming device: a fire alarm. Australia radioactive capsule: Missing material more common than you think 2023-02-03T05:00:00Z Because the gene that controls the expression of interferon gamma is on the X chromosome, it "escapes X inactivation in females" — meaning "there's more of it in females compared to males." Why do fewer women die of COVID? The answer may lie in the X chromosome's superpower 2023-03-22T04:00:00Z "It emits both beta rays and gamma rays so if you have it close to you, you could either end up with skin damage including skin burns," the state's Chief Health Officer Andy Robertson warned. How a tiny radioactive capsule was found in Australia's vast outback 2023-02-01T05:00:00Z Well, when ventilators were removed from two of the patients, their heart rates shot up accompanied by a surge in gamma waves, which are forms of high-frequency electrical activity in the brain. These brain scans of dying patients may reveal what happens when you die 2023-05-03T04:00:00Z “We’re using the radiation detectors to locate the gamma rays,” he said. Tiny radioactive capsule lost in Australia triggers search 2023-01-28T05:00:00Z “We are using the radiation detectors to locate the gamma rays, using the meters, that will help us then locate the small device.” Australians Scour Desert for Dangerous Radioactive Capsule Smaller Than a Penny 2023-01-28T05:00:00Z A gamma, for example, is a type of radiation. Nuclear cancer treatments: Plan to make Wales global leader 2023-01-09T05:00:00Z "You know it emits gamma radiation so the obvious thing is to comb the side of the road looking for something with a strong gamma signal... and sure enough that's exactly where they found it." How a tiny radioactive capsule was found in Australia's vast outback 2023-02-01T05:00:00Z Some people suggested a connection between neutron star collisions and gamma-ray bursts—highly energetic explosions in space that emit a flash of gamma rays. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z It is yet another offshoot of the globally dominant Omicron Covid variant, which itself followed the earlier alpha, beta, gamma and delta variants. What is known about new Covid variant XBB.1.5? 2023-01-04T05:00:00Z A bright flash of gamma rays from the constellation Boötes that lasted nearly one minute came from a kilonova, as we described in a new paper. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z One intriguing theory is that millions of years ago, an exploding star light-years away pummeled Earth with cosmic radiation in the form of X-rays, gamma rays and ultraviolet rays. Climbing trees helped our ancestors evolve to walk on two legs rather than four, study suggests 2022-12-23T05:00:00Z Radiation portal monitors detect gamma radiation and are typically used at airports to scan individuals to ensure they do not have radioactive substances on them. How a tiny radioactive capsule was found in Australia's vast outback 2023-02-01T05:00:00Z The explosions send short, intense jets of ultra-high-energy photons known as gamma rays traveling across the universe. Why Some Scientists Choose China’s Space Station for Research 2022-12-12T05:00:00Z These include a four-nation experiment on gamma ray bursts and a pair of infrared cameras to study Earth’s humidity flows. News at a glance: Earth’s top geological sites, cameras on sharks, and China’s space station 2022-11-02T04:00:00Z When astronomers pointed other telescopes at the part of the sky where this large blast of gamma rays – named GRB211211A – came from, they saw a glow of visible and infrared light known as a kilonova. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z If the beam happens to be pointed your way, you see a flash of gamma rays bright enough to be detected even from many billions of light-years distant. The Brightest Gamma-Ray Burst Ever Recorded Rattled Earth’s Atmosphere 2022-10-21T04:00:00Z Outer space is full of gamma rays, though few make it all the way to Earth's surface, as the atmosphere absorbs the vast majority before they can ever make it down to hurt us. Earth just got zapped by the biggest gamma-ray burst of all time 2022-10-18T04:00:00Z The experiment examines whether gamma rays from a gamma-ray burst line up in a particular way. Why Some Scientists Choose China’s Space Station for Research 2022-12-12T05:00:00Z But electromagnetic waves come in all sizes, from the shortest wavelengths, and the highest frequencies — powerful gamma rays and X-rays — through ultraviolet, visible, infrared, microwaves and, finally, low-frequency radio waves. Maarten Schmidt, Caltech astronomer who changed our understanding of the cosmos, dies 2022-09-23T04:00:00Z In moments after the black hole starts emitting this high-energy stream of matter and radiation, the jet produces a burst of gamma rays that can last for minutes. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z However, even for a long-duration burst it was unusually extended, and another blast of gamma rays was spotted by the Neil Gehrels Swift Observatory, another orbiting set of telescopes designed to observe bursts. The Brightest Gamma-Ray Burst Ever Recorded Rattled Earth’s Atmosphere 2022-10-21T04:00:00Z Different names are used for electromagnetic waves of different wavelengths: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. College Physics for AP Courses 2015-08-12T00:00:00Z The most common are protons, neutrons, alpha particles, beta particles, positrons, and gamma rays, as shown in Figure 21.4. Chemistry 2019-02-14T00:00:00Z The three phosphate groups, in order of closest to furthest from the ribose sugar, are labeled alpha, beta, and gamma. Biology for AP Courses 2022-06-09T00:00:00Z But the long-lasting burst of gamma rays throws doubt on what exactly happened. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z Energetic gamma rays are emitted when these radioactive nuclei decay. Astronomy 2016-10-13T00:00:00Z Other times it is subtle, such as the unfelt energy of gamma rays, which can destroy living cells. College Physics for AP Courses 2015-08-12T00:00:00Z For example, when a positron and an electron collide, both are annihilated and two gamma ray photons are created: Chemistry 2019-02-14T00:00:00Z When ATP is hydrolyzed, its gamma phosphate doesn’t simply float away, but is actually transferred onto the pump protein. Biology for AP Courses 2022-06-09T00:00:00Z Doctors can tune beams of protons to precisely destroy specific targets, usually cancerous tumors, without harming nearby organs—unlike x-rays and gamma rays, which have historically been the go-to beams for cancer therapy. Physics Particles Fly as Practical Tools 2022-07-29T04:00:00Z The satellites did not detect any confirmed events from human activities, but they did—to everyone’s surprise—detect short bursts of gamma rays coming from random directions in the sky. Astronomy 2016-10-13T00:00:00Z In an experiment in which the Compton effect is observed, a “gamma ray” photon with a wavelength of 5.00 × 10–13 m scatters from an electron. College Physics for AP Courses 2015-08-12T00:00:00Z Different levels of gamma radiation produce different amounts of brightness and colors in the image, which can then be interpreted by a radiologist to reveal what is going on. Chemistry 2019-02-14T00:00:00Z A gamma ray spectrometer will provide more information on the distribution of elements on the lunar surface. With lunar orbiter, South Korea will join a revived race to explore the Moon 2022-07-28T04:00:00Z These waves vary in length from long radio waves and microwaves to short gamma waves emitted from decaying atomic nuclei. Anatomy and Physiology 2013-06-19T00:00:00Z No one knew what produced the brief flashes of gamma rays or how far away the sources were. Astronomy 2016-10-13T00:00:00Z It is again constructive to verify the conservation laws for gamma decay. College Physics for AP Courses 2015-08-12T00:00:00Z Flaws in metals used for structural purposes can be detected using high-energy gamma rays from cobalt-60 in a fashion similar to the way X-rays are used to examine the human body. Chemistry 2019-02-14T00:00:00Z Comparing the size and timing of the flashes, researchers can distinguish recoiling nuclei from, say, recoiling electrons, which can be generated by gamma rays hitting the detector. Dark matter hunt heats up with first result from world’s biggest detector 2022-07-06T04:00:00Z A heterogeneous group, there are three main subgroups known as alpha, beta, and gamma globulins. Anatomy and Physiology 2013-06-19T00:00:00Z A lot of astronomers’ time and many instruments have been devoted to figuring out the nature of gamma- ray bursts. Astronomy 2016-10-13T00:00:00Z Figure 32.5 shows one of the simpler methods of imaging the concentration of nuclear activity, employing a device called an Anger camera or gamma camera. College Physics for AP Courses 2015-08-12T00:00:00Z Some high-energy gamma radiation is able to pass through a few feet of concrete. Chemistry 2019-02-14T00:00:00Z The team also found—somewhat unsurprisingly—that most gamma rays from dark matter in these voids should emerge via the decay of the particles rather than their annihilation. Astronomers Might See Dark Matter by Staring into the Void 2022-06-08T04:00:00Z The gamma globulins are proteins involved in immunity and are better known as an antibodies or immunoglobulins. Anatomy and Physiology 2013-06-19T00:00:00Z Two giant bubbles that extend 25,000 light-years above and below the galactic center are emitting gamma rays. Astronomy 2016-10-13T00:00:00Z Their lowest frequencies overlap the ultraviolet range but extend to much higher values, overlapping at the high end with gamma rays. College Physics for AP Courses 2015-08-12T00:00:00Z Due to the much larger energy differences between nuclear energy shells, gamma rays emanating from a nucleus have energies that are typically millions of times larger than electromagnetic radiation emanating from electronic transitions. Chemistry 2019-02-14T00:00:00Z Delta overtook several immune-evasive variants besides mu, including beta, gamma and lambda. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z "You can compare a gamma ray from a nuclear reactor with a bullet flying from a gun," he said. As Russia attacks Ukraine, experts weigh European "renaissance" for nuclear energy 2022-04-10T04:00:00Z Those gamma rays then serve as a new source of energy for the expanding layers of the supernova. Astronomy 2016-10-13T00:00:00Z Figure 32.5 An Anger or gamma camera consists of a lead collimator and an array of detectors. College Physics for AP Courses 2015-08-12T00:00:00Z From least to most penetrating, they are alpha < beta < neutron < gamma. Chemistry 2019-02-14T00:00:00Z The new gamma study provides further evidence that international travel bans, at least as the United States implemented them, are unlikely to prevent a variant’s global spread. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z Pulsars emit gamma rays, in addition to their flood of radio waves. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z Some gamma rays also escaped directly without being absorbed. Astronomy 2016-10-13T00:00:00Z For example, its scientists have consistently relied upon simulations rather than direct values of background gamma radiation, the simplest of the measurements one can make. The U.S. Must Take Responsibility for Nuclear Fallout in the Marshall Islands 2022-04-04T04:00:00Z The properties of pure PbI2 crystals make them useful for fabrication of X-ray and gamma ray detectors. Chemistry 2019-02-14T00:00:00Z Yet gamma was detected in the United States in January 2021 and soon spread to dozens of states. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z They searched through 12.5 years of Fermi’s archive for gamma ray photons from about 30 suitable pulsars. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z Which is more dangerous to living things, gamma rays or X-rays? Astronomy 2016-10-13T00:00:00Z On islands such as Bikini, the average background gamma radiation is double the maximum value stipulated by an agreement between the governments of the Marshall Islands and United States. The U.S. Must Take Responsibility for Nuclear Fallout in the Marshall Islands 2022-04-04T04:00:00Z Types of radiation differ in their ability to penetrate material and damage tissue, with alpha particles the least penetrating but potentially most damaging and gamma rays the most penetrating. Chemistry 2019-02-14T00:00:00Z For every delta or omicron there is a gamma, iota or mu, variants that drove local surges but never swept to global dominance. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z But photons in the gamma range are so rare, “Fermi can look all week and see no photons,” Kerr says. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z Astronomers want to make maps of the sky showing sources of X-rays or gamma rays. Astronomy 2016-10-13T00:00:00Z For Rongelap, further research is needed to understand the large amount of background gamma radiation on one of the northern islands, called Naen, as well as the presence of plutonium isotopes in the soil. The U.S. Must Take Responsibility for Nuclear Fallout in the Marshall Islands 2022-04-04T04:00:00Z Water pumped into the basins cools the fuel and blocks radioactive gamma rays that emanate from the irradiated uranium. Perspective | One thing nuclear power plants weren’t built to survive: War 2022-03-18T04:00:00Z Several of the mutations in its spike protein had been documented in other immune-evasive variants, including beta and gamma. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z Still, the team reports today in Science, their trawl through the Fermi archive turned up enough photons to make a gamma ray PTA. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z Explain why those X-rays and gamma rays must be observed from above Earth’s atmosphere. Astronomy 2016-10-13T00:00:00Z The gamma rays emitted by cesium and cobalt can kill germs multiplying in your meat and make your apples last longer. Radioactive Material Is Basically Everywhere and That’s a Problem 2022-03-11T05:00:00Z A troubled €300 million nuclear physics research facility in Romania may now have to do without one of its main components, a gamma ray beam designed to probe the heart of atoms. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z In the new study, which has not yet been published in a scientific journal, scientists compared mu’s biological characteristics to those of alpha, beta, delta, gamma and the original virus. The vanishing variants: Lessons from gamma, iota and mu 2022-05-04T04:00:00Z “One very useful thing the gamma ray data can do is help us understand the effect of the interstellar medium,” which is a major source of noise in PTA searches, McLaughlin says. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z So, the sunlight given off by the Sun today had its origin as a gamma ray produced by nuclear reactions deep in the Sun’s core. Astronomy 2016-10-13T00:00:00Z In the last month, none of the other worrying variants - including beta, gamma, lambda or mu - have been reported, although WHO said there were surveillance challenges in many countries. COVID cases, deaths continue to fall globally, WHO reports 2022-03-02T05:00:00Z That’s because the U.S. company contracted to supply the gamma ray source may be on the verge of bankruptcy, according to sources familiar with the situation. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z In the last month, none of the other worrying variants — including beta, gamma, lambda or mu — have been reported, although WHO said there were surveillance challenges in many countries. COVID cases, deaths continue to fall globally, WHO reports 2022-03-02T05:00:00Z But gamma rays get a free pass, and by comparing pulsar signals from radio and gamma rays, researchers can better understand the interstellar noise, and potentially identify the fingerprint of gravitational waves. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z In the process, some mass is again lost and more gamma radiation is emitted. Astronomy 2016-10-13T00:00:00Z “The control levels of gamma radiation dose rate in the Exclusion zone were exceeded,” the State Nuclear Regulatory Inspectorate of Ukraine, a government body, said in a statement early Friday. Ukraine says Chernobyl radiation levels ‘exceeded,’ as Russia confirms its forces seized the nuclear plant 2022-02-25T05:00:00Z The center aims to study the structure of atomic nuclei and the quantum particles that pop in and out of empty space, using two 10-petawatt lasers alongside the world’s most intense gamma ray beam. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z An electromagnetic pulse is produced by gamma rays from a nuclear blast or from special electronic weapons and can disrupt or destroy all electronic devices over wide areas. Threat of EMP attack reenforced by loss of SpaceX satellites to geomagnetic storm 2022-02-09T05:00:00Z Once the PTAs—radio and gamma ray—have identified the gravitational wave background, the next target will be individual supermassive black hole binaries to find out how these swirling behemoths affect the galaxies around them. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z So far, our discussion has assumed that the source of the gamma rays gives off the same amount of energy in all directions, like an incandescent light bulb. Astronomy 2016-10-13T00:00:00Z He’s skilled at translating concepts like puts and calls and short sales and gamma squeezes into language most anyone can understand — a true gift. When Robin Hood is the Pied Piper: A new cautionary tale of the meme-stock bubble 2022-02-02T05:00:00Z The Bucharest center originally contracted with EuroGammaS, a consortium of European research institutes and companies, to supply the gamma ray source. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z Peru, hammered by the variants dubbed lambda and gamma before the delta and omicron waves arrived, has had the deadliest pandemic per capita, according to the Johns Hopkins University coronavirus tracking site. As nations decide to live with the virus, some disease experts warn of surrendering too soon 2022-01-15T05:00:00Z Discovering that Fermi could do this “was a big surprise for us,” says team leader Matthew Kerr, a gamma ray astronomer at the Naval Research Laboratory. Astronomers find a new way to detect gravitational waves 2022-04-06T04:00:00Z On May 9, 2005, Swift detected a flash of gamma rays lasting 0.13 seconds in duration, originating from the constellation Coma Berenices. Astronomy 2016-10-13T00:00:00Z As Ray pointed out, a number of COVID-19 variants popped up in late 2020 that had unexpected mutations — these included the alpha, beta and gamma variants — and scientists struggled to understand those adaptations. The omicron variant came out of left field. Will there be more like it in the future? 2022-01-03T05:00:00Z But he was nevertheless confident the company could install the gamma ray source by early 2023, as stipulated in the contract. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z For several months, the government paused distribution of Eli Lilly’s antibody treatment nationwide because it proved ineffective against variants such as gamma, which emerged in Brazil and spread to many countries last spring. Hospitals scramble as antibody treatments fail against omicron 2021-12-21T05:00:00Z In the spring and summer, the Eli Lilly monoclonal antibody cocktail, which did not work against the gamma and beta variants, was suspended in some states and regions, and eventually paused nationally. As the omicron variant threatens to wipe out monoclonal antibodies, the U.S. is saving up one that will still work 2021-12-16T05:00:00Z However, we have access to a wide spectrum of electromagnetic radiation, ranging from the longest- wavelength radio waves to the shortest-wavelength gamma rays. Astronomy 2016-10-13T00:00:00Z The delta variant, which quickly became the predominant strain in the United States, posed unique challenges because it did not arise from alpha, beta or gamma "but from something more ancestral." The omicron variant came out of left field. Will there be more like it in the future? 2022-01-03T05:00:00Z A third source says the company sent home employees working on the gamma ray beam at the beginning of February and those people had yet to return to work. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z “Most of us know certain critical letters – alpha, beta, gamma,” said Jeremy Luban, a virologist at the University of Massachusetts Medical School. With coronavirus variants, world gets crash course on the Greek alphabet 2021-12-14T05:00:00Z There was no “religious exemption” for a gamma globulin or polio vaccination. Opinion | Vaccine mandates in the military are not new and should not be controversial 2021-12-09T05:00:00Z The name gamma comes from the third letter of the Greek alphabet: gamma rays were the third kind of radiation discovered coming from radioactive atoms when physicists first investigated their behavior. Astronomy 2016-10-13T00:00:00Z Using the original virus as a scaffold, they swap in the new spike — steps they’ve done for alpha, beta, gamma, delta — and now omicron. How scary is omicron? Scientists are racing to find answers. 2021-12-04T05:00:00Z Weeks is confident that ELI-NP will fire up even without the gamma source, arguing that the project could enable “some interesting science” with its laser systems alone. European laser project rocked by potential loss of gamma ray beam 2022-03-01T05:00:00Z Well before the pandemic, there were alpha particles and gamma rays. With coronavirus variants, world gets crash course on the Greek alphabet 2021-12-14T05:00:00Z The first four "variants of concern" — alpha, beta, gamma and delta — have been circulating in the United States for most of this year. Omicron and other coronavirus variants: What you need to know 2021-12-02T05:00:00Z The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Astronomy 2016-10-13T00:00:00Z Alpha, beta, gamma and delta are all currently “variants of concern” like omicron. FACT FOCUS: Why WHO chose ‘omicron’ for new COVID variant 2021-11-27T05:00:00Z The alpha, beta, gamma and delta variants are just some of the many thousands of different versions, or variants, of Covid-19 circulating around the world. Where do new Covid variants come from? 2021-11-26T05:00:00Z Other variants including mu, lambda and gamma made up fewer than 1% - although they continue to make up a significant proportion of sequences from Latin America. Europe is only region with more COVID, with 11% case rise 2021-11-24T05:00:00Z Other variants including mu, lambda and gamma made up fewer than 1% — although they continue to make up a significant proportion of sequences from Latin America. Europe is only region with more COVID, with 11% case rise 2021-11-24T05:00:00Z This gamma ray, which has been created in the center of the Sun, finds itself in a world crammed full of fast-moving nuclei and electrons. Astronomy 2016-10-13T00:00:00Z The airburst bombs of Hiroshima and Nagasaki had killed by blast, heat and “prompt radiation”: gamma ray bursts that disrupt the body’s ability to replace red and white blood cells. Review | Experimenting with hydrogen bombs, the U.S. blew lives apart 2021-11-03T04:00:00Z Scientists will use the $145 million Compton Spectrometer and Imager, to be launched in 2025, to study how stars forge elements, by tracking gamma rays from the decay of radioactive atoms produced in supernovae. News at a glance: Climate promises, a predatory ‘Hydra’ publisher, and tracking the birth of elements 2021-10-27T04:00:00Z One theory for GameStop’s meteoric rise was a so-called gamma squeeze, which happens when market makers purchase a stock to hedge the risk created by writing call options on that stock. Factbox-Fun facts from the U.S. SEC report on January's GameStop saga 2021-10-18T04:00:00Z One of the studies estimated, based on tests of blood donations, that three-quarters of the city's population had already been infected before gamma's arrival. COVID immunity through infection or vaccination: Are they equal? 2021-10-11T04:00:00Z The gamma ray collides with particles of matter and transfers its energy to one of them. Astronomy 2016-10-13T00:00:00Z High-frequency neural activity—“gamma oscillations”—in the amygdala indicated when symptoms were about to get worse. Experimental Brain Implant Could Personalize Depression Therapy 2021-10-04T04:00:00Z Their own examinations suggest the chances of some bright entity close to Earth mimicking a gamma ray burst to be one in 1 trillion or less. ‘Distant cosmic explosion’ was actually Russian space junk, new studies argue 2021-10-04T04:00:00Z “These observations by themselves are not consistent with a gamma squeeze,” the SEC wrote. Factbox-Fun facts from the U.S. SEC report on January's GameStop saga 2021-10-18T04:00:00Z EMP attacks use the gamma rays created in a high-altitude nuclear blast to disrupt all electronics over wide areas, a way to attack an enemy without causing the kinetic destruction of an above-ground explosion. Biden goes easy on China at U.N. 2021-09-22T04:00:00Z Because gamma rays carry a lot of energy, they can be dangerous for living tissues. Astronomy 2016-10-13T00:00:00Z An electrical wire goes to the amygdala to detect gamma activity. Experimental Brain Implant Could Personalize Depression Therapy 2021-10-04T04:00:00Z Last year, a team of astronomers made a blockbuster claim, saying they had captured the most distant cosmic explosion ever—a gamma ray burst in a galaxy called GN-z11. ‘Distant cosmic explosion’ was actually Russian space junk, new studies argue 2021-10-04T04:00:00Z For instance, it attaches to and turns on the gene that codes for interferon gamma, a chemical that orchestrates immune responses against pathogens but that can also escalate autoimmune responses. Why Nearly 80 Percent of Autoimmune Sufferers Are Female 2021-09-15T04:00:00Z Mu has “been able to outcompete gamma and alpha in most parts of Ecuador and Colombia,” he said. Here’s what we know about the mu variant 2021-09-03T04:00:00Z In the twentieth century, our exploration of space made it possible to detect electromagnetic radiation at all wavelengths, from gamma rays to radio waves. Astronomy 2016-10-13T00:00:00Z Stimulation is applied in a short six-second burst and then turns off until another gamma warning is received. Experimental Brain Implant Could Personalize Depression Therapy 2021-10-04T04:00:00Z Using CalSky.com, a web-based tool for determining the positions of objects in the sky, Jiang’s team believes the Russian rocket actually passed outside of the Keck’s view at the time of the debated gamma ray observation. ‘Distant cosmic explosion’ was actually Russian space junk, new studies argue 2021-10-04T04:00:00Z A few others made the rogue’s gallery of variants: gamma, beta, epsilon. ‘Goldilocks virus’: Delta vanquishes all variant rivals as scientists race to understand its tricks 2021-08-08T04:00:00Z Outside the laboratory, the gamma variant seemed to almost entirely escape natural immunity from prior infection, and vaccine effectiveness has declined marginally against several variants. Opinion | What history tells us about the delta variant — and the variants that will follow 2021-07-26T04:00:00Z One major challenge is to design “mirrors” to reflect such penetrating radiation as X-rays and gamma rays, which normally pass straight through matter. Astronomy 2016-10-13T00:00:00Z But the gamma variant, first detected in Brazil, is worrisome, Lindquist said. ‘This isn’t over.’ Even as life gets back to normal for many, COVID-19 continues to kill 2021-07-19T04:00:00Z The beta variant was first found in South Africa, while the gamma variant was first observed in Brazil, and the theta variant in the Philippines. Shimadzu puts 1-hour test for delta variant on market 2021-07-17T04:00:00Z It lacks some of the immunity-evading mutations seen in gamma and beta, for example. ‘Goldilocks virus’: Delta vanquishes all variant rivals as scientists race to understand its tricks 2021-08-08T04:00:00Z Erupting from hundreds of light-years away, the flash of x-rays and gamma rays probably did no harm on Earth. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z List the largest-aperture single telescope currently in use in each of the following bands of the electromagnetic spectrum: radio, X-ray, gamma ray. Astronomy 2016-10-13T00:00:00Z Plans call for using the telescope to probe galaxy formation and hunt for exoplanets, and training it on transient sources such as gamma ray bursts to try to pinpoint their locations. Iranian astronomers fear their ambitious observatory could become a ‘Third World telescope’ 2021-07-12T04:00:00Z Scientists have long known the Crab Nebula as a very energetic astrophysical object beaming off radiation ranging from radio waves to gamma rays. Highest-Energy Particles Yet Arrive from Ancient Crab Nebula 2021-07-08T04:00:00Z Those are the alpha, gamma and delta variants. Washington health officials celebrate reopening, but keeping close eye on variants 2021-06-30T04:00:00Z Writing in Astrophysical Journal Letters, they concluded that the most energetic, potentially damaging photons—x-rays or gamma rays—would have minimal impact. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z But in Washington, the gamma variant, first detected in Brazil, remains the main threat. Emergence of coronavirus variants not enough to trigger strict mask guidance, Washington state officials say 2021-06-29T04:00:00Z “One of them is indeed the delta variant. But more important … is the gamma variant.” How prevalent is the coronavirus delta variant in Washington? 2021-06-25T04:00:00Z The largest is the Square Kilometer Array, with some 6,000 aboveground counters and more than 1,100 subsurface muon detectors to catch cosmic rays and gamma rays. Highest-Energy Particles Yet Arrive from Ancient Crab Nebula 2021-07-08T04:00:00Z But in Washington, where the state runs genotype tests on 17% of its cases, the gamma strain is cause for concern, said state epidemiologist Scott Lindquist. State’s COVID numbers show promise, but don’t let your guard down, says health secretary 2021-06-23T04:00:00Z The state Department of Health is keeping an eye on the spread of these variants and has expressed some concern about the gamma variant, which is growing in the state. Will your child be required to have a COVID vaccine for school? Here’s what you need to know in Washington state 2021-06-18T04:00:00Z As of last week, Public Health – Seattle & King County’ variant tracking showed alpha is the variant most widely circulating, accounting for 62% of all variants of concern, followed by gamma at 12%. Emergence of coronavirus variants not enough to trigger strict mask guidance, Washington state officials say 2021-06-29T04:00:00Z “The rest of the country is looking at delta but I’m raising the flag about the gamma variant here in Washington state,” he said. How prevalent is the coronavirus delta variant in Washington? 2021-06-25T04:00:00Z A big worry is keeping Washington state's epidemiologist up at night: the gamma variant, which is rising faster than any other in the state. Live: Coronavirus daily news updates, June 17: What to know today about COVID-19 in the Seattle area, Washington state and the world 2021-06-17T04:00:00Z The gamma variant, on the other hand, is associated with higher hospitalization rates and increased breakthrough infections. ‘What keeps me up at night’: COVID-19 gamma variant worries Washington state health official 2021-06-16T04:00:00Z Design details abound — I like the implication that odd-looking plant life is the result of Hulk-worthy gamma radiation — but at Avengers Campus we enter a relatively bite-sized land that looks like our world. Is Disney's Avengers Campus worth an hours-long wait? Our expert advice 2021-06-07T04:00:00Z They pared the list down to sources that shone with the right gamma frequency and that were not ascribed to previously cataloged astronomical objects. ‘Antistars’ Made of Antimatter Get a Particle’s Worth of Evidence 2021-06-07T04:00:00Z These changes are captured through a range of mathematical calculations, one of which traders call a gamma. Explainer: What is a gamma squeeze and how did it drive up AMC's stock price? 2021-06-03T04:00:00Z That buying helped push the share even higher in what is known as a gamma squeeze, analysts said. Analysis: With AMC shares sky-high, 'gamma squeeze' less of a driving force 2021-06-03T04:00:00Z Scientists divide coronaviruses into four genera—alpha, beta, gamma, and delta—and the new one is an alpha. Two more coronaviruses can infect people, studies suggest 2021-05-20T04:00:00Z Resembling airport metal detectors, RPMs detect neutrons and gamma rays emitted by radioactive substances. New type of imager could help spot smuggled nuclear materials 2021-05-19T04:00:00Z EuroGammaS, a consortium of public research institutes and industry, delivered much of the gamma ray source to ELI-NP in 2018 but said the lab floor was uneven and refused to install the components. Romania left out of high-powered laser project 2021-05-19T04:00:00Z Follow-up observations with gamma ray and optical telescopes of the resulting kilonova revealed the spectral signature of large quantities of r-process elements in the blast debris. Trace seabed plutonium points to stellar forges of heavy elements 2021-05-13T04:00:00Z Transitions from the ground level of hydrogen to higher energy levels, labeled Lyman-beta, gamma, delta and so on, are less prominent. Watching the Universe Expand in Real Time 2021-05-06T04:00:00Z In 1979, a messenger arrived from deep space: Satellites detected a mysteriously short and powerful flash of gamma rays, the highest energy form of light. How highly magnetized neutron stars set off powerful cosmic explosions 2021-04-23T04:00:00Z The new technique relies on detectors that emit light when struck by either a neutron or a gamma ray and measure the time of arrival with nanosecond precision. New type of imager could help spot smuggled nuclear materials 2021-05-19T04:00:00Z Epurescu accuses him of using the delay with the gamma source as a way to acquire more power over the center and its finances. Romania left out of high-powered laser project 2021-05-19T04:00:00Z That included infusions of gamma globulin every three weeks. Vaccines Won’t Protect Millions of Patients With Weakened Immune Systems 2021-04-15T04:00:00Z An ideal pancoronavirus vaccine would protect us from all four of its genera—alpha, beta, gamma, and delta—but most researchers have more modest goals. Vaccines that can protect against many coronaviruses could prevent another pandemic 2021-04-15T04:00:00Z A gamma counter, needed to track the radioactive molecule, was attached to a printer. Kati Kariko Helped Shield the World From the Coronavirus 2021-04-08T04:00:00Z Suppose two detectors sit face to face, separated by 1 meter or so, and that a nucleus decays and emits a neutron that hits one detector and a gamma ray that hits the other. New type of imager could help spot smuggled nuclear materials 2021-05-19T04:00:00Z On 15 April 2020, a wave of gamma rays, nature’s most powerful kind of light, washed across the Solar System like a storm front. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z Convalescent plasma or gamma globulin — antibodies distilled from the blood of healthy donors — may also help immunocompromised people, although a version of the latter that includes antibodies to the coronavirus is still months from availability. Vaccines Won’t Protect Millions of Patients With Weakened Immune Systems 2021-04-15T04:00:00Z They focused on the gamma rays released after nuclear fission, which encoded information on the spin of the resulting fragments. Mystery of Spinning Atomic Fragments Solved at Last 2021-02-24T05:00:00Z He was undergoing treatment with immunosuppressive drugs when he fell ill, and, during his illness, he received multiple rounds of additional treatment, with remdesivir nonimmune gamma globulin, and with monoclonal antibodies. How Will the Coronavirus Evolve? 2021-02-19T05:00:00Z Those experiments involve blasting atomic nuclei with a particle beam that knocks off neutrons, leaving energetically excited nuclei that radiate gamma rays. New type of imager could help spot smuggled nuclear materials 2021-05-19T04:00:00Z By the 1970s, after these gamma ray bursts were declassified, astrophysicists on both sides of the Iron Curtain tried to identify their cosmic sources. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z He finally felt better after one more infusion of gamma globulin, during which he sweated through four shirts. Vaccines Won’t Protect Millions of Patients With Weakened Immune Systems 2021-04-15T04:00:00Z She has undergone emergency surgery to remove four, but is having treatment called gamma knife radio surgery - in which targeted beams of radiation are focussed on tumours - to remove the remaining seven. Worcestershire family face $500k bill for US cancer care 2021-02-06T05:00:00Z That potential downside for the middleman is known as gamma, so this particular effect is called a gamma squeeze. Controversial trading app Robinhood takes center stage in GameStop saga 2021-01-28T05:00:00Z All of that interest was compounded by the hive mind of the community discovering an investing technique labelled “gamma squeeze”. GameStop fun turns serious for Reddit's WallStreetBets 2021-01-28T05:00:00Z Triangulating the gamma signals back to their origin required wrangling detectors not just across interplanetary distances, but also geopolitical chasms. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z Also, Swift and Fermi are optimized to capture the longer, higher energy gamma ray bursts that hail from the collapse of massive stars. China launches gamma ray–hunting satellites to trace sources of gravitational waves 2020-12-10T05:00:00Z In the next couple of days there were reports of similarities between this event and gamma-ray bursts, yet there had been no detected show of gamma rays. Strange Supernovae Upend Expectations 2020-11-17T05:00:00Z The cells that are activated release a molecule called gamma interferon that serves as a signal of their activity. New Type of Test May Better Discern Immunity to the Coronavirus 2020-11-10T05:00:00Z For one thing, astronomers continued to monitor the magnetar as it burped up more X-rays and gamma rays, but those follow-up events didn’t match up with any significant radio wave bursts. Astronomers trace mysterious space radio waves to a source within our galaxy 2020-11-04T05:00:00Z A split-second pulse of gamma rays 100 times brighter than any gamma ray burst yet seen blazed across the Soviet and U.S. spacecraft. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z GECAM’s observational energy range extends down to 6 kiloelectronvolts, lower than Swift and Fermi, which may be an advantage spotting the “softer” gamma ray bursts associated with gravitational waves, Xiong says. China launches gamma ray–hunting satellites to trace sources of gravitational waves 2020-12-10T05:00:00Z Either way, this “central engine” pumps out energy that gets funneled into a jet of extremely hot plasma that tunnels from the center of the star out through the infalling material, glowing in gamma rays. Strange Supernovae Upend Expectations 2020-11-17T05:00:00Z The result was a unique and multidimensional look — based on radio emissions, X-rays and gamma rays as well as old-fashioned visible light observations — at the complexities of death by black hole. A Black Hole’s Lunch: Stellar Spaghetti 2020-10-17T04:00:00Z “We have gamma rays here,” she said, “so I was like, ‘What if it’s that?’” Tiny rural county only one in Nevada with no COVID-19 cases 2020-10-24T04:00:00Z Aftershocks of the burst persisted for a few minutes, repeating every 8 seconds, as if the gamma rays were beaming from a specific spot on a compact, spinning object. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z From these perches they will watch for the gamma ray bursts that emanate from the merger of ultradense objects, events that also generate gravitational waves, ripples in space-time. China launches gamma ray–hunting satellites to trace sources of gravitational waves 2020-12-10T05:00:00Z They looked for excess x-ray and gamma ray emissions from protons in the germanium nuclei, which create electrical pulses in the material. One of quantum physics’ greatest paradoxes may have lost its leading explanation 2020-09-07T04:00:00Z Unlike black hole mergers, this kind of collision, a splat between two ultradense stars, yields a pulse of optical light, x-rays and gamma rays. How Astronomers Revolutionized Our View of the Cosmos 2020-09-01T04:00:00Z Within a fraction of a microsecond, the electron and the positron collide and annihilate each other in a flash of gamma rays. Tantalizing oddity found in exotic atom—but physicists aren’t hyping it 2020-08-25T04:00:00Z But to get a gamma ray burst like the one in 1979 required an even more magnetic object. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z “Most theorists think the answer is no, but more and more people believe that in some circumstances it may produce electromagnetic emissions, including gamma ray bursts,” he says. China launches gamma ray–hunting satellites to trace sources of gravitational waves 2020-12-10T05:00:00Z The team discovered what they called a “heartbeat” of gamma rays emanating from a gas cloud in the constellation Aquilla. A Rip in the Fabric of Interstellar Dreams 2020-08-21T04:00:00Z Citizens farthest from the epicenter were more likely to survive, but still suffered from the effects of neutron and gamma rays from the fireball. For 90-year-old Hiroshima survivor Kiyoko Neumiller, every day is another opportunity for peace 2020-08-23T04:00:00Z The fungus, which is thriving at the Chernobyl site, appears to perform “radiosynthesis” using melanin to convert gamma radiation into chemical energy. Chernobyl fungus could protect astronauts from radiation on deep-space missions 2020-07-31T04:00:00Z Electrons in the plasma would collide with the photons, nudging them up to gamma ray strength. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z Working together, the two satellites can monitor the whole sky, tracing the source of a gamma ray burst to a particular location. China launches gamma ray–hunting satellites to trace sources of gravitational waves 2020-12-10T05:00:00Z These are on the opposite end of the electromagnetic spectrum to ionizing radiation sources like X-rays, gamma rays, and ultraviolet rays. Why the 5G coronavirus conspiracy theories don’t make sense 2020-04-09T04:00:00Z Fortunately, he said, gamma interferon has been available as a drug for more than 30 years, making it a promising potential treatment for the disease. Hundreds of young Americans have now been killed by the coronavirus, data shows 2020-04-08T04:00:00Z A new study closely analyzed the pattern of the gamma rays in terms of both their spatial spread and their energy. Milky Way Dark Matter Signals in Doubt after Controversial New Papers 2020-03-26T04:00:00Z If beams like that ever swept across Earth, well—they might just explain these misfit gamma ray bursts. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z Later scientists observed this so-called Hoyle state and confirmed that the carbon then emitted gamma rays to de-excite down to its ground, or stable, state. Carbon Conundrum: Experiment Aims to Re-create Synthesis of Key Element 2020-03-19T04:00:00Z According to news site The Global Times, he went on to develop the world's first whole body gamma knife in 1996 - a type of radiation therapy used to treat tumours. The noted Wuhan victims of the coronavirus 2020-02-18T05:00:00Z Experts said there’s a normal explanation for the puppy’s coloration — and no, he wasn’t exposed to any gamma rays. Not easy being green: North Carolina dog births unique puppy 2020-01-16T05:00:00Z The red supergiant is not the type of star that produces high energy gamma radiation when it explodes. Is Betelgeuse, one of the sky’s brightest stars, on the brink of a supernova? 2019-12-27T05:00:00Z Yet another instrument, also on Fermi, caught a few gamma rays at even higher energies starting 19 seconds after the main event. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z On 14 January, the initial flash of a gamma ray burst was detected by a Nasa space telescope, which within seconds sent an alert to more powerful ground-based instruments. Big star energy: record-breaking explosion recorded 2019-11-20T05:00:00Z The lyrics show a preoccupation with outer space, with references to a falling star, the moon, the sun, gamma rays and the stratosphere. Review: Beck shoots into the galaxy for latest trippy album 2019-11-19T05:00:00Z And theory generally suggests that, rarely, when two dark matter particles collide they should annihilate each other to produce ordinary particles, such as the observed high energy photons, or gamma rays. Physicists revive hunt for dark matter in the heart of the Milky Way 2019-11-12T05:00:00Z Here’s a more technical explanation from one of the commits: The display uses different gamma curves for different refresh rates. Google’s own code may explain why the Pixel 4’s Smooth Display isn’t always as smooth as you’d like 2019-10-25T04:00:00Z For Eric Burns, an astronomer at Louisiana State University, Baton Rouge, the flare offered a chance to search for similar events in the gamma ray back catalog. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z They’ll be looking in particular for groups of sporadic gamma ray flashes that would move slowly across the sky, as Planet Nine would be expected to do as seen from Earth. ‘Planet Nine’ may actually be a black hole 2019-09-27T04:00:00Z After Walters received a blood transfusion from Banner, she accidentally took in some of his gamma poisoning and became an intelligent, controlled iteration of the Hulk. She-Hulk and Moon Knight are getting their own Disney+ shows 2019-08-23T04:00:00Z The digital image of the glow consists of about 12,000 pixels, each containing a handful of gamma ray photons, with the number varying from pixel to pixel. Physicists revive hunt for dark matter in the heart of the Milky Way 2019-11-12T05:00:00Z The issue is worse at the gamma lower end. Google’s own code may explain why the Pixel 4’s Smooth Display isn’t always as smooth as you’d like 2019-10-25T04:00:00Z Furthermore, the rates imply that at least several percent of previously observed short gamma ray bursts are actually masquerading giant flares, too. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z If we saw just gamma rays—the highest-energy form of light—released by the moon, it would lose its monthly cycle. Flashing Neurons, Invisible Moonlight and Adorable Squid Babies: The Week’s Best Science GIFs 2019-08-23T04:00:00Z US practices that are banned by the EU include irradiation, the use of gamma radiation to eliminate micro-organisms, and the use of genetically modified crops. Don't sacrifice us for trade deal, say UK farmers 2019-08-21T04:00:00Z Imagine the uproar if the entire populations of York, Portsmouth or Swindon were suddenly exposed to three times the permissible level of penetrating gamma radiation, or what the nuclear physicist Ernest Rutherford termed gamma rays. The nuclear arms race is back … and ever more dangerous now 2019-08-17T04:00:00Z Shortly after the explosion, gamma radiation levels in the neighbouring city of Severodvinsk reportedly jumped to 20 times their normal rate for nearly half an hour, contradicting the ministry’s assurances that all levels were normal. Russian pharmacies report rise in sales of iodine near military explosion 2019-08-09T04:00:00Z Hurley is still wrangling gamma ray sensors across the Solar System—and space agencies. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z Without the magnetic protection, particles from space called cosmic rays relentlessly bombard the moon’s surface and produce gamma radiation, some of which escapes. Flashing Neurons, Invisible Moonlight and Adorable Squid Babies: The Week’s Best Science GIFs 2019-08-23T04:00:00Z The resulting gamma rays could fuel a fusion reaction that then propels the spacecraft. The Good Kind of Crazy: The Quest for Exotic Propulsion 2019-07-29T04:00:00Z They have surveyed the sky in infrared, UV, x-ray and gamma ray bands that don’t penetrate the atmosphere and therefore can’t be observed from the ground. The moon was once a frontier. But new worlds now beckon | Martin Rees 2019-07-20T04:00:00Z Some neuroscientists think that these gamma waves may not do much at all. "Metronome" Neurons Act Like Timekeepers in Mouse Brains 2019-07-18T04:00:00Z Their gamma detectors will be ready, attuned to the off chance of another big, rare shot in the dark. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z According to Hamilton, the standard protocol for taking external gamma ray measurements is to hold a hand-held device about 1 meter above the ground. Radioactivity in parts of the Marshall Islands is far higher than Chernobyl, study says 2019-07-15T04:00:00Z Trump radiates insecurity much like the Chernobyl reactor scatters gamma rays: obviously and without regard to anyone’s safety. Trump's spat with the UK reveals the bottomless depths of his insecurities | Richard Wolffe 2019-07-09T04:00:00Z When gamma rays strike Earth’s atmosphere they create air showers—spreading cascades of electrons and other subatomic particles. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z That analysis revealed that, as expected, the degree to which those cells were firing at gamma frequencies predicted how well the mice would be able to detect touch. "Metronome" Neurons Act Like Timekeepers in Mouse Brains 2019-07-18T04:00:00Z Pentaquarks should occasionally form when protons are bombarded with gamma ray photons, as physicists at Thomas Jefferson National Accelerator Facility in Newport News, Virginia, are trying to do. Exotic particles called pentaquarks may be less weird than previously thought 2019-06-05T04:00:00Z Irradiators are used in research settings to help perform tasks such as exposing samples to gamma radiation, sterilizing medical supplies and stying the effects of radiation. Radiation in UW building: 200 employees being moved, cleanup could take at least six more weeks 2019-05-24T04:00:00Z He says that the contract that EuroGammaS won included a description of the building in which the gamma source should be installed, and deviation from this description is legally difficult. World’s largest laser lab rocked by slew of disputes 2019-05-22T04:00:00Z As these particles hit the detectors, the timing and energy of the strikes are recorded—enabling astronomers to reconstruct the energy and trajectory of the original gamma ray. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z There are neuroscientists who think that gamma rhythms, fast brain waves that fluctuate at a frequency of approximately 40 cycles per second, play this role. "Metronome" Neurons Act Like Timekeepers in Mouse Brains 2019-07-18T04:00:00Z There was no polio vaccine yet, so we were taken to get shots of gamma globulin purified from the blood of polio survivors. Measles cases flare beyond 700 and anti-vaxxers — the apex helicopter parent — are to blame 2019-05-01T04:00:00Z When gamma rays strike the atmosphere, they create a cascade of secondary particles spreading in a cone until they hit the ground. China’s ambitious telescopes rise in the thin air of the Tibetan Plateau 2019-04-25T04:00:00Z On March 28, 2011, astronomers detected a long gamma ray burst coming from the center of a galaxy 4 billion light-years away. What Is a Black Hole? Here’s Our Guide for Earthlings 2019-04-10T04:00:00Z Fortunately, the air showers sparked by cosmic rays contain a higher proportion of muons, short-lived cousins of the electrons, than the showers from gamma rays. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z The word “radiation” makes you think of gamma rays, which sound terrifying. Should we be worried? The truth about everyday fears 2019-03-17T04:00:00Z So there might be several ways to enhance gamma rhythms, he said. A Possible Alzheimer’s Treatment With Clicks and Flashes? It Worked on Mice 2019-03-14T04:00:00Z An additional 1170 buried detectors will look for particles called muons, which can help discriminate between gamma ray showers and showers caused by cosmic rays, charged particles that can also reach extraordinary energies. China’s ambitious telescopes rise in the thin air of the Tibetan Plateau 2019-04-25T04:00:00Z So far, scientists have detected black holes only indirectly, by their signatures, such as a gamma ray burst, supernova or, perhaps, an object on the brink of a black hole’s event horizon. What Is a Black Hole? Here’s Our Guide for Earthlings 2019-04-10T04:00:00Z The strikes shatter the previous record holder: 75 TeV gamma rays observed by the High Energy Gamma Ray Astronomy experiment located on La Palma, one of Spain's Canary Islands. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z So when Tsai tuned her light to flash 40 times a second, or 40 hertz, and flickered it at the mice, their brains flickered back—generating gamma waves at a corresponding 40 hertz. An Hour of Light and Sound a Day Might Keep Alzheimer's at Bay 2019-03-14T04:00:00Z Lead shielding is used to block gamma radiation, which is massless and much more difficult to block. Opinion | Readers critique The Post: Careful describing the Supreme Court justices — and the boy Whiffenpoofs 2019-02-22T05:00:00Z Unlike cosmic rays, the paths of gamma rays are unaffected by magnetic fields, making it possible to trace them back to their distant sources. China’s ambitious telescopes rise in the thin air of the Tibetan Plateau 2019-04-25T04:00:00Z On July 2, 1967, a network of satellites recorded an explosion of gamma rays coming from outer space. What Is a Black Hole? Here’s Our Guide for Earthlings 2019-04-10T04:00:00Z He believes supermassive black holes that sit at the centers of galaxies might prove to be another source of high energy gamma rays. Highest energy light ever seen traced to Crab Nebula 2019-07-08T04:00:00Z In human studies underway at Cognito Therapeutics, a start-up she founded with her colleague Ed Boyden, she says light and sound seem to increase gamma waves in healthy participants without negative side effects. An Hour of Light and Sound a Day Might Keep Alzheimer's at Bay 2019-03-14T04:00:00Z Having seen the alpha and omega of the series, I'm eager to see the gamma, delta, epsilon and phi, or whichever intermediate Greek letters you want to represent those four other episodes. Review: Will Jordan Peele's ‘Weird City’ make you sign up for YouTube Premium? Maybe 2019-02-13T05:00:00Z Thousands of cheaper detectors spaced out across the 1.3-kilometer site will watch for higher energy gamma rays. China’s ambitious telescopes rise in the thin air of the Tibetan Plateau 2019-04-25T04:00:00Z Today, scientists believe that a gamma ray burst is the final breath of a dying star and the birth of a stellar-mass black hole. What Is a Black Hole? Here’s Our Guide for Earthlings 2019-04-10T04:00:00Z If and when WIMPs collide with each other somewhere in the cosmos, they should annihilate in a burst of energy that emits gamma rays. New Star Maps Shed Light on Milky Way's Convulsive History 2019-01-28T05:00:00Z While intense beams of gamma radiation may potentially spark mass extinctions, the radiation driven by the black hole is unlikely to pose a threat to any life that may exist on Earth, the authors write. Nearby galaxy set to collide with Milky Way, say scientists 2019-01-03T05:00:00Z Scintillation crystals capture the energies of gamma rays. It’s Intermission for the Large Hadron Collider 2018-12-21T05:00:00Z Among other activities, the lab set suggested "playing hide and seek with the gamma ray source", challenging players to a game using a Geiger counter to locate a radioactive sample hidden in a room. Most wanted? Christmas gifts from years ago 2018-12-23T05:00:00Z Water, light and temperature are automatically controlled, the product sterilized with gamma rays. Canada’s artisanal pot growers face rising corporate tide 2018-12-07T05:00:00Z The Massachusetts Institute of Technology created a package of X-ray and gamma detectors. The World's First Space Telescope 2018-12-07T05:00:00Z So, theta and beta are significantly faster than gamma waves. The Hippies Were Right: It's All about Vibrations, Man! 2018-12-05T05:00:00Z For astronomers, that collision was even more of a gold mine because it produced a gamma ray burst and other electromagnetic signals that, for example, revealed the birth of copious heavy nuclei. Cosmic cacophony of colliding black holes continues 2018-12-03T05:00:00Z So Ajello and the team measured starlight by proxy, with the help of gamma rays. Astrophysicists count all the starlight in the universe 2018-11-29T05:00:00Z The latest observations, collected over nine years by Nasa’s Fermi space telescope, use the light from blazars – super-massive black holes that emit powerful jets of gamma rays – as beacons to illuminate the cosmic fog. Astronomers measure total starlight emitted over 13.7bn years 2018-11-29T05:00:00Z Analyzing the blazars’ gamma ray emissions, they found that some were blocked more effectively than others. Blazing quasars reveal the universe hit ‘peak star birth’ 3 million to 4 million years after the big bang 2018-11-29T05:00:00Z So, the shared resonance in a human brain that achieves gamma synchrony, for example, includes a far larger number of neurons and neuronal connections than is the case for beta or theta rhythms alone. The Hippies Were Right: It's All about Vibrations, Man! 2018-12-05T05:00:00Z When gamma waves oscillate in resonance, “you get very rich repertoires of behaviors,” says Wolf Singer, a neuroscientist at the Ernst Strüngmann Institute in Frankfurt, Germany, who researches gamma waves. Do Brain Waves Conduct Neural Activity Like a Symphony? 2018-11-29T05:00:00Z Blazars, or supermassive black holes at the centers of galaxies, emit gamma rays when matter near these black holes is shredded and flung away. Astrophysicists count all the starlight in the universe 2018-11-29T05:00:00Z But to get a full picture of the energetic events happening, the researchers needed to look more broadly at the spectrum of electromagnetic energy, from radio waves to gamma rays. Holy Cow! Astronomers agog at mysterious new supernova 2018-11-01T04:00:00Z "We would see extremely bright flashes of optical light, and there would be lots of high energy radiation, like gamma rays and X-rays, that would be very damaging to our bodies." 'Mind-boggling' monster black hole at Milky Way's center seen by scientists 2018-10-31T04:00:00Z Even at night, Earth’s atmosphere distorts light from space, making images blurry, and other signals — particularly gamma rays — impossible to see. As NASA’s prized telescopes falter, astronomers fear losing their eyes in space 2018-10-18T04:00:00Z The growing interest in gamma waves is not shared by all neuroscientists. Do Brain Waves Conduct Neural Activity Like a Symphony? 2018-11-29T05:00:00Z The starlight is, essentially, “absorbing” the gamma rays, akin to the way gases in Earth’s atmosphere absorb light from the sun. Astrophysicists count all the starlight in the universe 2018-11-29T05:00:00Z She wound up with a “fantastic miscellany of jobs,” studying the universe in every conceivable wavelength of light: X-ray, gamma ray, radio wave, infrared. She made the discovery, but a man got the Nobel. A half-century later, she’s won a $3 million prize. 2018-09-08T04:00:00Z Swipe across the app’s softly colored stripes to dial up, for example, “gamma” frequencies that activate the problem-solving part of the brain or “delta” frequencies that target the deep slumber part. 6 Indispensable Apps for Business Travelers 2018-08-30T04:00:00Z Unlike ionizing radiation such as X-rays or gamma rays, which are known to be strong enough to damage DNA, radiofrequency waves emitted by cellphones are much weaker, and health research has produced ambiguous findings. Wireless industry using First Amendment as a cudgel in its battle against safety warnings 2018-07-15T04:00:00Z Debate there centered on whether gamma waves are fundamental to the brain’s operations or instead just an irrelevant byproduct, like the hum of an electronic amplifier. Do Brain Waves Conduct Neural Activity Like a Symphony? 2018-11-29T05:00:00Z This was a blazar, a galaxy with a supermassive black hole at the centre and a known source of gamma rays. Single subatomic particle illuminates mysterious origins of cosmic rays 2018-07-11T04:00:00Z A rendering of the blazar sending gamma rays and neutrinos to Earth. Astronomers trace the source of a high-energy particle that slammed into Earth 2018-07-12T04:00:00Z For example, Casanova and others have found more than a dozen mutations that disrupt the body's ability to battle non-TB mycobacteria, and all of them mess with interferon gamma—a key immune system activator. Extreme Flu? Weird Encephalitis? It May Be Your Genes 2018-07-01T04:00:00Z It started demolition at the Hanford facility, built a handful of “gamma” cars, and recently obtained permits to start full-on construction. Faraday Future reveals the source of its $2 billion investment as a co-founder steps away 2018-06-26T04:00:00Z A substantial body of evidence for the role of gamma waves in mental processing is generally lacking. Do Brain Waves Conduct Neural Activity Like a Symphony? 2018-11-29T05:00:00Z But in a separate study, she and her collaborators found hints of a TXS flare during that period, but with gamma rays of energies that were mostly too high for Fermi-LAT to detect. Single subatomic particle illuminates mysterious origins of cosmic rays 2018-07-11T04:00:00Z Instruments for the project recorded bursts of gamma ray flashes produced in the first milliseconds of cloud-to-ground lightning strikes, the Deseret News reported . Utah scientists look to uncover mystery of lightning 2018-06-03T04:00:00Z His gamma ray detector is used in nuclear research. Robert N. Hall, 96, whose inventions are everywhere, is dead 2018-05-11T04:00:00Z An especially powerful subset of supernovae, known as gamma ray bursts, are thought to be more important for destroying life in the universe, though these events are much rarer. Dark energy’s weakness may be why supernovae didn’t kill us all 2018-05-04T04:00:00Z She notes that the evidence amassed so far is not based on rigorous tests looking for a cause-and-effect relationship between gamma waves and specific neural processes. Do Brain Waves Conduct Neural Activity Like a Symphony? 2018-11-29T05:00:00Z The payload includes two cameras, which can capture 12 frames per second, plus X-ray and gamma ray detectors. Hunting mystery lightning from space 2018-04-06T04:00:00Z If only gamma irradiation sterilization were easily set up and safely monitored, with all fresh produce and prepared meats going through it, this would be a headline of the past. Bologna Blamed in Worst Listeria Outbreak in History 2018-03-30T04:00:00Z Sony also adds support for gamma curves, allowing you to correct for different lighting situations while filming and ultimately, a different style for every curve. Sony A7 III and A7R III review: mirrorless magic 2018-03-30T04:00:00Z To their surprise, the researchers found the most intense gamma rays appear strangely synced with the quietest part of the solar cycle. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z He showed symptoms of radiation poisoning, but there was no beta or gamma radiation in his blood. How to Answer Russia’s Escalation 2018-03-18T04:00:00Z Those of the highest frequency are gamma waves, which range from 25 to 140 hertz. How flashing lights and pink noise might banish Alzheimer’s, improve memory and more 2018-02-27T05:00:00Z Two seconds after the gravitational waves, orbiting telescopes detected a powerful, short gamma ray burst. Gravitational waves help reveal the weight limit for neutron stars, the densest objects in the cosmos 2018-02-15T05:00:00Z These signals include alpha, beta, delta, theta and gamma waves, as well as various types of signal triggered by visual cues. How to control a machine using your mind 2018-02-01T05:00:00Z But over the next eight years, as solar activity built to a peak and then regressed back toward quiescence, the sun emitted no high-energy gamma rays at all. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z “When we heard about this paper, we took our detector and set it up next to our big tank and started looking for gamma rays.” Missing Neutrons May Lead a Secret Life as Dark Matter 2018-01-29T05:00:00Z Other photons from the laser beam would ricochet off the electrons and be boosted into high-energy gamma rays. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z The short gamma ray burst, the supposed birth cry of a black hole, indicates that the merged neutron star collapsed in seconds. Gravitational waves help reveal the weight limit for neutron stars, the densest objects in the cosmos 2018-02-15T05:00:00Z “We were looking for it in X-rays, gamma rays, and there's nothing there,” Chatterjee said. Scientists zoom in on fast radio bursts, the most mysterious signals in space 2018-01-10T05:00:00Z Most likely the gamma rays are triggered by some aspect of the sun’s activity cycle, but the details remain unclear. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z But gamma rays weren't the only thing the merger produced. Better Instruments Give Scientists a New Way to Study the Cosmos 2018-01-11T05:00:00Z The laser field would then shake the particles, causing them to emit electromagnetic waves—in this case, gamma rays. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z “We grow the plants, harvest them, dry and grind the leaves, sanitize the final product with gamma rays, then ship it to pharmacies and hospitals.” In Italy, the army provides medical marijuana. And some say that’s a problem. 2017-11-29T05:00:00Z By a known probabilistic relation57, the age distribution of Y follows a gamma distribution. Genome sequence of the progenitor of the wheat D genome Aegilops tauschii 2017-11-14T05:00:00Z The team speculates these gamma rays are likely emitted when powerful cosmic rays—produced throughout the universe by violent astrophysical events like supernovae and colliding neutron stars—slam into the sun’s surface. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z Next, thousands of scientists around the world mobilized to conduct a coordinated study of the merger's afterglow across the entire electromagnetic spectrum, the range of frequencies from gamma rays to visible light to radio waves. Better Instruments Give Scientists a New Way to Study the Cosmos 2018-01-11T05:00:00Z The gamma rays would, in turn, generate new electron-positron pairs, and so on, resulting in an avalanche of particles and radiation that could be detected. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z Detection of high-energy gamma rays from winter thunderclouds. Photonuclear reactions triggered by lightning discharge 2017-11-21T05:00:00Z The bomb would be heavily “salted” with radioactive cobalt, which emits deadly gamma rays for years. Special Report: In modernizing nuclear arsenal, U.S. stokes new arms race 2017-11-21T05:00:00Z If a single cosmic ray collides with a particle in the solar atmosphere, it creates a shower of secondary particles and radiation, including gamma rays. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z Observers can detect and record the flashes, using them to deduce the energies and cosmic origins of the gamma rays that triggered the particle cascades. Through a Gas, Darkly: Scientists Trace the Origins of Earth's Antimatter 2017-11-16T05:00:00Z Interferon gamma decreases hepatic stellate cell activation and extracellular matrix deposition in rat liver fibrosis. Inflammation-induced IgA+ cells dismantle anti-liver cancer immunity 2017-11-07T05:00:00Z Ground-level observation of a terrestrial gamma ray flash initiated by a triggered lightning. Photonuclear reactions triggered by lightning discharge 2017-11-21T05:00:00Z The bomb would be heavily “salted” with radioactive cobalt, which emits deadly gamma rays for years. Special Report: In modernizing nuclear arsenal, U.S. stokes new arms race 2017-11-21T05:00:00Z So an uptick in cosmic rays should lead to an uptick in gamma rays. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z When a particle meets its antiparticle, they annihilate each other, typically releasing energetic photons called gamma rays as a result. Through a Gas, Darkly: Scientists Trace the Origins of Earth's Antimatter 2017-11-16T05:00:00Z This week, they announced the detection of a fifth such disturbance—but this time astronomers saw it, too, at every wavelength of light from gamma radiation to radio waves. Top stories: Vanishing insects, merging neutron stars, and why we haven’t made alien contact 2017-10-20T04:00:00Z Observation of gamma ray bursts at ground level under the thunderclouds. Photonuclear reactions triggered by lightning discharge 2017-11-21T05:00:00Z Where do some bursts of high-energy gamma rays originate? Analysis | What the new gravitational waves discovery means for the future of astronomy 2017-10-17T04:00:00Z Six other high-energy gamma rays did not coincide with ejections, which mostly occur at solar max. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z When gamma rays from annihilated positrons smash into Earth’s atmosphere, they rip apart atoms, generating showers of particles that hurtle downward at nearly the speed of light. Through a Gas, Darkly: Scientists Trace the Origins of Earth's Antimatter 2017-11-16T05:00:00Z The resulting explosion sent a burst of gamma rays streaming through space and rippled the very fabric of the universe. Scientists detect gravitational waves from a new kind of nova, sparking a new era in astronomy 2017-10-16T04:00:00Z Dwyer, J. R. The relativistic feedback discharge model of terrestrial gamma ray flashes. Photonuclear reactions triggered by lightning discharge 2017-11-21T05:00:00Z A gamma ray is a particle of light, a photon, but it’s a very high energy form of light. It Was a Universe-Shaking Announcement. But What Is a Neutron Star Anyway? 2017-10-16T04:00:00Z So the fact they might only emit high-energy gamma rays when they do occur during a solar minimum would present quite a puzzle. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z The source of gamma ray bursts was long thought to be colliding neutron stars, but it took the recent event to confirm that theory. 4 Surprising Facts About the Universe We Just Discovered in a Cosmic Breakthrough 2017-10-16T04:00:00Z Just 1.7 seconds after the initial gravitational wave detection, NASA’s Fermi Space Telescope registered a brief flash of gamma radiation coming from the constellation Hydra. Scientists detect gravitational waves from a new kind of nova, sparking a new era in astronomy 2017-10-16T04:00:00Z First results on terrestrial gamma ray flashes from the Fermi Gamma-ray Burst Monitor. Photonuclear reactions triggered by lightning discharge 2017-11-21T05:00:00Z Previously, scientists could only study space by observing electromagnetic waves such as radio waves, visible light, infrared light, X-rays and gamma rays. In first, scientists detect gravitational waves and light from star collision 2017-10-16T04:00:00Z So as the sun meanders back toward solar minimum, astronomers are gearing up to study its gamma rays with the hope they might shed light on its mysterious interior. The Sun Is Spitting Out Strange Patterns of Gamma Rays--and No One Knows Why 2018-03-28T04:00:00Z But Dr. Kalogera cautioned that this was not a “vanilla gamma ray burst, being way fainter and closer than any previously observed.” LIGO Detects Fierce Collision of Neutron Stars for the First Time 2017-10-16T04:00:00Z “It said, ‘This gamma ray burst has an interesting friend. Scientists detect gravitational waves from a new kind of nova, sparking a new era in astronomy 2017-10-16T04:00:00Z Today, they announced the detection of a fifth such disturbance—but this time astronomers saw it too, at every wavelength of light from gamma radiation to radio waves. Merging neutron stars generate gravitational waves and a celestial light show 2017-10-16T04:00:00Z Previously, scientists could only study space by observing electromagnetic waves such as radio waves, visible light, infrared light, X-rays and gamma rays. In first, scientists detect gravitational waves and light from star collision 2017-10-16T04:00:00Z The survey is expected to turn up supernovae, gamma ray bursts and other things that are typically obstructed from visible-light telescopes. Giant antennas in New Mexico search for cosmic discoveries 2017-09-19T04:00:00Z Those were the gamma rays, carrying news of the catastrophe to the outside universe. LIGO Detects Fierce Collision of Neutron Stars for the First Time 2017-10-16T04:00:00Z Launched by the Soviet Union on April 19, 1975, it gathered information on the Earth’s ionosphere and studied bursts of gamma rays produced by the sun. With satellites built in a shed, this physicist brought India into the Space Age 2017-08-14T04:00:00Z For example, the gamma rays were relatively faint, even though the burst was closer than any previously measured short burst by a factor of 10, McEnery notes. Merging neutron stars generate gravitational waves and a celestial light show 2017-10-16T04:00:00Z In conjunction with the Australian and British defence ministries, America’s Army Research Laboratory, in Maryland, is analysing the brain’s alpha, beta, delta and gamma waves. How to make soldiers’ brains better at noticing threats 2017-07-27T04:00:00Z Currently, there are more than three dozen orbiting telescopes at work, observing the cosmos in multiple wavelengths, including the visible, ultraviolet, x-ray and gamma ray. As Eclipse Watchers Look to the Sky, a New Age of Telescopes Is Dawning 2017-08-01T04:00:00Z The gamma-ray burst lasted about two seconds, which put it in a category of short gamma ray bursts associated with the formation of black holes perhaps as a result of neutron stars colliding. LIGO Detects Fierce Collision of Neutron Stars for the First Time 2017-10-16T04:00:00Z Other options: exploding stars known as supernovae or gamma ray bursts, highly energetic explosions in outer space. This is what it would take to kill all life on Earth 2017-07-14T04:00:00Z MacCallum's father was a gamma ray astronomer who did balloon-borne experiments, so he quickly realized the value of this potential customer base. Commercial balloons in the stratosphere could monitor hurricanes and scan for solar storms 2017-06-22T04:00:00Z Over an expected operating lifetime of 4 years, it will also conduct focused observations of black holes, neutron stars, and gamma ray bursts. China successfully launches x-ray satellite 2017-06-15T04:00:00Z There, supernovae explosions shower nearby planets with x-rays, gamma rays and ultraviolet photons that obliterate any ozone layer present. Ravenous Supermassive Black Holes May Sterilize Nearby Planets 2017-05-30T04:00:00Z Soon after, they began colliding and annihilating each other in puffs of gamma rays. Giant space magnet may have trapped antihelium, raising idea of lingering pools of antimatter in the cosmos 2017-04-19T04:00:00Z Finally, there’s almost zero chance that gamma ray bursts would happen at a distance capable of stripping Earth of its seas. This is what it would take to kill all life on Earth 2017-07-14T04:00:00Z World View has since carried other experiments, including a gamma ray detector and a remote-sensing system. Commercial balloons in the stratosphere could monitor hurricanes and scan for solar storms 2017-06-22T04:00:00Z The most likely explanation, Dr. Bauer said in the paper and in an interview, is that the X-rays are the afterglow from a gamma ray burst seen sideways. A Mysterious Flash From a Faraway Galaxy 2017-03-31T04:00:00Z They found a halo around the pulsar, extending a few light-years across, that was emitting very high-energy gamma rays. Case weakens for antimatter sign of dark matter 2017-03-06T05:00:00Z Ting's idea to look for those regions galvanized his critics, who considered it outlandish because clumps of antimatter coexisting with normal galaxies would produce more gamma radiation than astronomers observe. Giant space magnet may have trapped antihelium, raising idea of lingering pools of antimatter in the cosmos 2017-04-19T04:00:00Z Under Nishida’s mandate, pregnant women and children younger than 16 were the first to receive a dosimeter, a candy bar–sized sensor that measures gamma rays. Fukushima residents exposed to far less radiation than thought 2017-01-23T05:00:00Z These stars are already known to emit high-energy radiation, like gamma rays and X-rays. Mysterious radio burst came from a galaxy 2.5 billion light years away, astronomers discover 2017-01-04T05:00:00Z Researchers in China have tried irradiating peanut extracts with gamma rays to make them less allergenic. Is It Possible to Make a Less Allergenic Peanut? 2016-12-15T05:00:00Z The energy of the positrons and electrons making these gamma rays would be far too high—at tens of thousands of GeV rather than a few hundred GeV—to explain the rise seen by AMS. Case weakens for antimatter sign of dark matter 2017-03-06T05:00:00Z It’s not hard to induce gamma oscillations naturally: Our neurons achieve such synchrony when we are learning, paying attention or engaging our short-term memory. Flickering lights may create path to Alzheimer’s treatment 2016-12-07T05:00:00Z The study, in mice, found that exposure to flickering light stimulated brain waves, called gamma oscillations, that are known to be disturbed in Alzheimer’s patients. Strobe lighting provides a flicker of hope in the fight against Alzheimer’s 2016-12-07T05:00:00Z After he was discharged from the Navy, his mother urged him to get a job, which resulted in a career working with beta, gamma, alpha and X-ray particles. Former nuke workers worry about health compensation 2016-11-05T04:00:00Z For individuals, high gamma is generally achieved by seeking advice from a qualified investment professional. Aligning Your Investments With What Motivates You 2016-10-28T04:00:00Z During these sessions, her reports of light storms correlated with sharp increases in her neural activity, specifically her gamma waves—electromagnetic frequencies in the brain associated with aiding memory, focus and feelings of well-being. Artist Lia Chavez Lends Her Mind to Science 2016-10-18T04:00:00Z “It’s like he wants to classify us — alpha, beta, gamma, delta,” she said, referring to the dystopian future described in the novel “Brave New World.” ‘Finally. Someone who thinks like me.’ 2016-10-01T04:00:00Z The study, published on Wednesday in the journal Nature, hinges on the observation that Alzheimer’s patients show a loss of synchronised brain activity, known as gamma oscillations, which is linked to attention and memory. Strobe lighting provides a flicker of hope in the fight against Alzheimer’s 2016-12-07T05:00:00Z Quantum communications, gamma ray burst research and fluid physics. China set to launch second trial space station - BBC News 2016-09-15T04:00:00Z The amount and frequencies of the gamma rays would provide a signature of the layout and composition of the warhead. Nuclear physicists may have just invented a ‘zero-knowledge’ warhead inspection system 2016-07-18T04:00:00Z To Chavez, this link between her creative visions and her elevated gamma levels amounts to a potential breakthrough because it suggests a possible way to expedite creativity on cue. Artist Lia Chavez Lends Her Mind to Science 2016-10-18T04:00:00Z Packing 532,000 cubic meters of helium and measuring 114 meters in diameter, the balloon circled the Southern Hemisphere for 46 days, lofting a gamma ray telescope to the edges of space. Titanic NASA balloon reaches milestone 2016-07-03T04:00:00Z Strengthening gamma oscillations appeared to switch the microglia back into a productive state. Strobe lighting provides a flicker of hope in the fight against Alzheimer’s 2016-12-07T05:00:00Z The camera works by imaging gamma rays emitted by a tumor after it accumulates the radiotracer injected into the patient. Jeff Lab, Dilon Tech team up on 3-D cancer detection device 2016-07-02T04:00:00Z Potential sources of exposure, the agency found, included inhaling or ingesting uranium dust or fumes as well as gamma or beta rays while handling or working near the depleted uranium. Depleted uranium at Wah Chang led to decades of health woes 2016-06-21T04:00:00Z A 2009 study from Northwestern University found that people were more likely to solve problems, like anagrams, when their brains were stimulated with gamma or delta waves. Artist Lia Chavez Lends Her Mind to Science 2016-10-18T04:00:00Z “He’s like if Joseph McCarthy was exposed to gamma radiation and became a racist orange Hulk with tiny hands. Hulk mad, hands too small to smash.” Colbert's epic takedown of Trump 2016-06-15T04:00:00Z Along the lines of providing versus establishing immunity - back when there was no hepatitis A vaccine, the recommendation was taking gamma globulin. Educate Your Immune System 2016-06-03T04:00:00Z The side effects of gamma knife, he said, are minimal, if there are any at all. Brain tumor treatment hits a milestone in Chesterfield 2016-05-28T04:00:00Z Instead, he was hunting for a disk-shaped halo of gamma rays around the galaxy. The Galaxy Next Door May Be Blowing Giant Double Bubbles 2016-04-19T04:00:00Z Then came zapping chestnuts with gamma radiation, in the hopes of producing a beneficial mutation. A Radical Attempt to Save the Reefs and Forests 2016-04-18T04:00:00Z At one end, there’s UV light, gamma rays and X-rays; at the other are infrared rays and radar. Can Apple’s color-shifting screen really help you fall asleep faster? 2016-03-29T04:00:00Z This idea is being investigated by the satellite's GRaND instrument, which senses neutrons and gamma rays produced by cosmic ray interactions with surface materials. Dawn spies new detail in Ceres' bright spots - BBC News 2016-03-23T04:00:00Z Richmond’s gamma knife technology even draws patients nationally, as Sahni also treats trigeminal neuralgia, which causes sharp pains in the face without warning. Brain tumor treatment hits a milestone in Chesterfield 2016-05-28T04:00:00Z But once they started analyzing the gamma rays’ origins, the halo they expected to see around Andromeda didn’t emerge. The Galaxy Next Door May Be Blowing Giant Double Bubbles 2016-04-19T04:00:00Z The center will include a research reactor, a cyclotron for radiopharmaceuticals and a multi-purpose gamma irradiation plant. Bolivia agrees $300 million nuclear complex with Russia's Rosatom 2016-03-06T05:00:00Z Some of the delights I might encounter: gamma ray radiation and being brained by a jettisoned spaceship antenna while I’m gawping slack-jawed skywards. See the Happy Chaos at Astronauts' Landing Site 2016-03-04T05:00:00Z Everything we knew until now about the cosmos stemmed from electromagnetic waves such as radio waves, visible light, infrared light, X-rays and gamma rays. Einstein's gravitational waves detected in landmark discovery 2016-02-11T05:00:00Z In early May, the neuroscience center conducted its 3,000th gamma knife procedure. Brain tumor treatment hits a milestone in Chesterfield 2016-05-28T04:00:00Z Disappointed, the team began steps to publish their results—until a reviewer suggested testing for Fermi bubbles, which would look like two circles of gamma rays above and below Andromeda’s galactic disk. The Galaxy Next Door May Be Blowing Giant Double Bubbles 2016-04-19T04:00:00Z Everything we know about the cosmos stems from electromagnetic waves such as radio waves, visible light, infrared light, X-rays and gamma rays. Einstein's gravitational waves detected in scientific milestone 2016-02-11T05:00:00Z The new camera will also allow S-Log gamma recording — a popular option among pro videographers because of the wide dynamic range the format affords. Sony’s A6300 mirrorless camera has 4K video and fast autofocus 2016-02-03T05:00:00Z A mountain-sized black hole would give off X-rays and gamma rays, at a rate of about 10 million megawatts, enough to power the world's electricity supply. Stephen Hawking’s second Reith Lecture: Annotated transcript - BBC News 2016-02-02T05:00:00Z Johnston-Willis is the only medical facility in the region, and one of only three others in Virginia, that offers the gamma knife procedure. Brain tumor treatment hits a milestone in Chesterfield 2016-05-28T04:00:00Z Previously seen only around the Milky Way, balloon-like puffs that glow with gamma rays may also sandwich the nearby Andromeda galaxy. The Galaxy Next Door May Be Blowing Giant Double Bubbles 2016-04-19T04:00:00Z Yet weighted against the potential risks of brain surgery — including likely hearing loss in one ear — the gamma knife seemed right for me. Why I let a brain tumor go untouched for 10 years 2016-02-01T05:00:00Z Three forms of radiation are emitted by radioactive substances: alpha particles, which are made of nuclei of helium atoms, beta radiation, which consists of electrons and gamma radiation, a form of high-energy electromagnetic radiation. How UK scientists solved Alexander Litvinenko riddle 2016-01-16T05:00:00Z Scientists at Dugway were supposed to use gamma radiation to render the anthrax inactive, and then place the sample in an incubator for 10 days to ensure the spores did not multiply. Army says failures in leadership at biodefense lab led to mishandled anthrax shipments 2016-01-15T05:00:00Z Despite what its name might suggest, the gamma knife technology is so noninvasive, especially when compared to brain surgery, that it is treated as an outpatient procedure. Brain tumor treatment hits a milestone in Chesterfield 2016-05-28T04:00:00Z An illustration shows the Fermi bubbles extending from the Milky Way, based on gamma ray and X-ray data. The Galaxy Next Door May Be Blowing Giant Double Bubbles 2016-04-19T04:00:00Z These include "gaps in science," such as a lack of research on the effectiveness of using gamma irradiation to kill anthrax spores, which was the method used at Dugway. An Army report says a one-star general and 11 others face potential disciplinary action for failures that led indirectly to the mistaken shipment of live anthrax 2016-01-15T05:00:00Z This caused them to split into smaller atoms, emit gamma rays, and release more neutrons, which then collided with more U235 atoms, setting off the chain reaction that is, in effect, the city-leveling explosion. Here's the Difference Between a Hydrogen Bomb and an Atom Bomb 2016-01-06T05:00:00Z This motion creates a stressful environment: intense heat, powerful x-rays, and gamma rays. The physics of Star Wars' Starkiller Base: could that really happen? 2015-12-20T05:00:00Z |
| 随便看 |
|
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。