| 单词 | electromagnetic spectrum |
| 例句 | Moreover, radio represents a large fraction of the electromagnetic spectrum. Cosmos 1980-01-01T00:00:00Z But the electromagnetic spectrum runs to zero in one direction and infinity in the other, so really, children, mathematically, all of light is invisible. All the Light We Cannot See 2014-05-06T00:00:00Z Our visual system detects parts of the electromagnetic spectrum, revealing movement, brightness and color, but also a smile or a tear. Can you pass this smell test? 2017-09-10T04:00:00Z The egos of all the main characters in “Trajectory” fall on the invisible ends of the electromagnetic spectrum. Richard Russo’s Latest Cast Includes Average Men and One Big Star 2017-05-10T04:00:00Z We see in a narrow band of the electromagnetic spectrum known as visible light. This Exhibition Will Help You Make Sense of Your Senses 2017-11-23T05:00:00Z "The q-bubble struggles to keep up with the barrage it is taking across the electromagnetic spectrum and switches to neutrino tomography around the Bekenstein epicentre." The Fractal Prince by Hannu Rajaniemi – review 2012-09-26T07:00:14Z For there to be undiscovered colours, as opposed to just new colour labels, we would have to evolve to see areas of the electromagnetic spectrum beyond those that are currently visible. Notes & Queries: Which is the most repeated TV episode? 2012-12-19T16:55:02Z Most of us sense, at times, that there are parts of the electromagnetic spectrum not accessible with the tools at hand. ‘The Premonitions Bureau’ Recounts Crowdsourcing the Supernatural 2022-04-25T04:00:00Z The title refers to the endless run of the electromagnetic spectrum, a scale so large that "mathematically, all of light is invisible." 'All the Light We Cannot See' pinpoints 2 lives in war 2014-05-23T04:00:00Z But what astronomers dub the “BOAT”—the brightest of all time—did more than provide a light show spanning the electromagnetic spectrum. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z Though emitted across the electromagnetic spectrum, the synchrotron radiation is seen in unprecedented detail with Webb's NIRCam instrument. The Crab Nebula seen in new light by NASA's Webb 2023-10-30T04:00:00Z Peterson says this earlier finding was a clue that the tools measuring different wavelengths of the electromagnetic spectrum were sensing a different kind of lightning. Mysterious Lightning ‘Superbolts’ Can Be 1,000 Times as Strong as Ordinary Strikes 2023-10-23T04:00:00Z These flashes, also called pulses of radiation, can be searched for in different energy bands of the electromagnetic spectrum. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z Despite their inability to distinguish color, rods are more sensitive to low-wavelength light—the blue part of the electromagnetic spectrum—than cones are. Streetlights Are Mysteriously Turning Purple. Here’s Why 2023-09-27T04:00:00Z Robert McCreight, a former special operations officer and former State Department treaty negotiator, said the report reveals continuing challenges along the electromagnetic spectrum. China advances EMP weapons, military analysts’ report reveals 2023-09-06T04:00:00Z First, it can image galaxies in infrared light, or light invisible to human eyes that falls between about 950 and 2020 nanometers on the electromagnetic spectrum. Euclid Space Telescope Snaps Spectacular First Images 2023-08-03T04:00:00Z In terms of pure astronomy, NASA's space-based observatories span the electromagnetic spectrum. 65 years of NASA – an astrophysicist reflects on the agency’s legacy 2023-07-26T04:00:00Z These objects were high in redshift, meaning they emitted light skewed toward the red side of the electromagnetic spectrum, which is a sign of old and distant objects. JWST Might Have Spotted the First Dark Matter Stars 2023-07-20T04:00:00Z Neutrinos could also be harnessed to delve into dark matter, the mysterious substance that is invisible on the electromagnetic spectrum but seems to gravitationally dominate galaxies and other large cosmic structures. In a First, Scientists See Neutrinos Emitted by the Milky Way 2023-06-29T04:00:00Z The visible light portion of the electromagnetic spectrum is perceived by the human eye as a rainbow of colors, with violet and blue having shorter wavelengths and, therefore, higher energy. Concepts of Biology 2013-04-25T00:00:00Z That was the actual start of the cataclysm; as it proceeded, a worldwide network of telescopes and satellites has monitored it, measuring its emanations across the electromagnetic spectrum, from high-energy X-rays down to the infrared. The Biggest Explosion in the Cosmos Just Keeps Going 2023-05-12T04:00:00Z Astronomers usually pin down cosmic coordinates via precisely measuring redshift, a stretching of a galaxy’s light toward the red end of the electromagnetic spectrum as a result of the universe’s expansion. JWST’s Newfound Galaxies Are the Oldest Ever Seen 2023-04-13T04:00:00Z The “smoking gun” for a dark star would be a particular hiccup in the electromagnetic spectrum where light is absorbed by a particular isotope of helium only in dark stars, not in galaxies. JWST Might Have Spotted the First Dark Matter Stars 2023-07-20T04:00:00Z Astrophysics thrives when astronomers can synergistically use multiple telescopes operating across a wide range of the electromagnetic spectrum. JWST’s Smashing Success Shifts Focus to Astronomy’s Blind Spots 2023-04-04T04:00:00Z At last the stars merged, sending ripples through spacetime and setting off cosmic fireworks across the entire electromagnetic spectrum. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z The few exotic stellar encounters that produce gamma-ray bursts can look very similar to one another across the electromagnetic spectrum. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z Historically, infrared light has been the most difficult part of the electromagnetic spectrum for astronomers to observe — at least, from the ground. The 7 most spectacular images from the James Webb Space Telescope's first year 2022-12-26T05:00:00Z “The battlefield spans not just the physical domains of land, air, and sea but also space, cyberspace, the electromagnetic spectrum and the human mind,” the report said. Report: Beijing deploys 10 times more operators than US Cyber Command 2022-11-22T05:00:00Z Over the course of a year, a middle school science class can expect to cover everything from photosynthesis to the electromagnetic spectrum, all in 180 days. What Do American’s Middle Schools Teach About Climate Change? Not Much. 2022-11-01T04:00:00Z This new image was taken in the near-infrared part of the electromagnetic spectrum, in which the nebular gas and dust is more transparent than in the visible spectrum. Check out a stunning new picture of the Pillars of Creation from the James Webb Telescope 2022-10-20T04:00:00Z Gamma rays are the most energetic photons in the electromagnetic spectrum, far more powerful than x-rays, which can cause cancer if one is exposed to them at high levels. Earth just got zapped by the biggest gamma-ray burst of all time 2022-10-18T04:00:00Z The techniques included X-ray fluorescence imaging spectroscopy and reflectance hyperspectral imaging, which uses a light-dispersing spectrometer to collect and process information from across the electromagnetic spectrum. National Gallery confirms one of its Vermeers is actually not a Vermeer 2022-10-07T04:00:00Z But Hubble observes in a relatively narrow portion of the electromagnetic spectrum, including “visible” light. Webb telescope is already challenging what astronomers thought they knew 2022-08-26T04:00:00Z Figure 24.17 A small part of the electromagnetic spectrum that includes its visible components. College Physics for AP Courses 2015-08-12T00:00:00Z Because the technologies developed to work in various parts of the electromagnetic spectrum are different, for reasons of convenience and historical legacies, different units are typically used for different parts of the spectrum. Chemistry 2019-02-14T00:00:00Z Scientists differentiate the various types of radiant energy from the sun within the electromagnetic spectrum. Biology for AP Courses 2022-06-09T00:00:00Z They emit energy over a broad range of the electromagnetic spectrum. Astronomy 2016-10-13T00:00:00Z Light comes in many wavelengths along what is called the electromagnetic spectrum. Take a cosmic tour inside the images captured by NASA’s Webb telescope Figure 24.10 The electromagnetic spectrum, showing the major categories of electromagnetic waves. College Physics for AP Courses 2015-08-12T00:00:00Z For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. Chemistry 2019-02-14T00:00:00Z The visible light portion of the electromagnetic spectrum shows the rainbow of colors, with violet and blue having shorter wavelengths, and therefore higher energy. Biology for AP Courses 2022-06-09T00:00:00Z Luckily, the aliens have a complete astronomical observatory with equipment for measuring all the bands of the electromagnetic spectrum. Astronomy 2016-10-13T00:00:00Z One of the selling points of the James Webb Space Telescope is that it can detect infrared light — historically, the most difficult part of the electromagnetic spectrum for astronomers to observe. James Webb Space Telescope reveals a range of beautiful images 2022-07-12T04:00:00Z The electromagnetic spectrum is separated into many categories and subcategories, based on the frequency and wavelength, source, and uses of the electromagnetic waves. College Physics for AP Courses 2015-08-12T00:00:00Z This figure also shows the electromagnetic spectrum, the range of all types of electromagnetic radiation. Chemistry 2019-02-14T00:00:00Z Spectra is the plural for spectrum which is a particular wavelength from the electromagnetic spectrum. An Introduction to Geology 2017-01-01T00:00:00Z Table 5.1 summarizes the bands of the electromagnetic spectrum and indicates the temperatures and typical astronomical objects that emit each kind of electromagnetic radiation. Astronomy 2016-10-13T00:00:00Z The full spectrum of radiant energy is referred to as the electromagnetic spectrum. Anatomy and Physiology 2013-06-19T00:00:00Z Gray objects have a uniform ability to absorb all parts of the electromagnetic spectrum. College Physics for AP Courses 2015-08-12T00:00:00Z Each of the various colors of visible light has specific frequencies and wavelengths associated with them, and you can see that visible light makes up only a small portion of the electromagnetic spectrum. Chemistry 2019-02-14T00:00:00Z X-band refers to the section of the electromagnetic spectrum that works best for scanning the horizon. Kyiv Cruise Missile Strike Highlights Need to Protect U.S. Cities 2022-06-02T04:00:00Z For the Sun, the wavelength at which the maximum energy is emitted is 520 nanometers, which is near the middle of that portion of the electromagnetic spectrum called visible light. Astronomy 2016-10-13T00:00:00Z The aim is to attack an adversary by manipulating the electromagnetic spectrum — through jamming, intercepting or altering communications, radar, GPS or other signals. Opinion | Russia is losing on the electronic battlefield 2022-05-03T04:00:00Z Living things—plants and animals—have evolved to utilize and respond to parts of the electromagnetic spectrum they are embedded in. College Physics for AP Courses 2015-08-12T00:00:00Z In what part of the electromagnetic spectrum do we find this radiation? Chemistry 2019-02-14T00:00:00Z Those frequencies are in the visible, or optical, range of the electromagnetic spectrum, rather than the microwave range, hence the name. Get Ready For the New, Improved Second 2022-04-25T04:00:00Z If we sum up the contributions from all parts of the electromagnetic spectrum, we obtain the total energy emitted by a blackbody. Astronomy 2016-10-13T00:00:00Z Dubbed the Great Observatories, these four astronomical telescopes were designed to observe areas of space with equipment that could monitor the range of frequencies on the electromagnetic spectrum. The Hubble telescope turns 32: Here are some of its greatest hits 2022-04-23T04:00:00Z The entire electromagnetic spectrum is used by researchers for investigating stars, space, and time. College Physics for AP Courses 2015-08-12T00:00:00Z From the illustration of the electromagnetic spectrum in Electromagnetic Energy, we can see that this wavelength is found in the infrared portion of the electromagnetic spectrum. Chemistry 2019-02-14T00:00:00Z It knows modern militaries rely heavily on the electromagnetic spectrum for communications and command and control of weapons systems, she said. U.S., U.K. and Australia announce expanded cooperation on hypersonics 2022-04-05T04:00:00Z Scientists call this range the electromagnetic spectrum, which they have divided into a number of categories. Astronomy 2016-10-13T00:00:00Z Congress is reviewing rules to manage the nation’s electromagnetic spectrum resources to avoid falling behind China on both 5G deployment and future 6G wireless technology. Congress studying electromagnetic spectrum management to avoid falling behind China on 5G, 6G 2022-03-16T04:00:00Z Telescopes, like microscopes, can utilize a range of frequencies from the electromagnetic spectrum. College Physics for AP Courses 2015-08-12T00:00:00Z In what region of the electromagnetic spectrum is this radiation? Chemistry 2019-02-14T00:00:00Z Ultraviolet light from the first stars would have caused interstellar hydrogen, which is otherwise transparent across most of the electromagnetic spectrum, to be slightly opaque to a particular radio wavelength. New Result Casts Doubt on ‘Cosmic Dawn’ Claim 2022-03-03T05:00:00Z This is also the band of the electromagnetic spectrum that most readily reaches Earth’s surface. Astronomy 2016-10-13T00:00:00Z It might also unleash an explosion of light across the electromagnetic spectrum, as well as a surge of gravitational waves and ghostly particles called neutrinos that could reveal intimate details of the collision. Crash of the titans: imminent merger of giant black holes predicted 2022-02-01T05:00:00Z They are used for viewing objects at large distances and utilize the entire range of the electromagnetic spectrum. College Physics for AP Courses 2015-08-12T00:00:00Z In addition, electron transitions in these elements can correspond with absorption of photons in the visible electromagnetic spectrum, leading to colored compounds. Chemistry 2019-02-14T00:00:00Z These include NIRCam, as well as a combination of other imagers, cameras, and spectrographs — which break up light into various wavelengths on the electromagnetic spectrum. What’s next for NASA’s James Webb Space Telescope now that it’s reached its parking spot 2022-01-25T05:00:00Z A heat lamp radiates mostly infrared radiation, and the nerve endings in our skin are sensitive to this band of the electromagnetic spectrum. Astronomy 2016-10-13T00:00:00Z They primarily used GPR, but also drones that capture images across the electromagnetic spectrum. US academics use radar to help seek missing in split Cyprus 2022-01-21T05:00:00Z We have previously discussed x rays as a part of the electromagnetic spectrum in Photon Energies and the Electromagnetic Spectrum. College Physics for AP Courses 2015-08-12T00:00:00Z Even so, HST would be observing primarily in optical wavelengths—the tiny portion of the electromagnetic spectrum that the human eye can detect. The James Webb Space Telescope Has Launched: Now Comes the Hard Part 2021-12-25T05:00:00Z The agencies disagree about whether it’s safe to allow 5G equipment to operate within a portion of the electromagnetic spectrum known as the C-band. Former FCC officials are worried about air safety fears delaying 5G rollout 2021-12-14T05:00:00Z The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Astronomy 2016-10-13T00:00:00Z The competition in the electromagnetic spectrum, which includes everything from radio waves to visible light, is more important than ever before. New Air Force unit fights to dominate electromagnetic spectrum 2021-06-28T04:00:00Z Electromagnetic Waves explains more about the electromagnetic spectrum and Introduction to Quantum Physics discusses how the decrease in wavelength corresponds to an increase in energy. College Physics for AP Courses 2015-08-12T00:00:00Z The more it is stretched, the greater its shift towards the longer-wavelength “redder” section of the electromagnetic spectrum. Giant Galaxies from the Universe’s Childhood Challenge Cosmic Origin Stories 2021-01-27T05:00:00Z “We looked at ultraviolet light specifically, as that is the area of the electromagnetic spectrum we expected to find the redshifted chemical signatures,” Kashikawa said. Scientists Think This May Be the Farthest Galaxy in the Universe 2020-12-22T05:00:00Z Photons with enough energy to do this lie in the ultraviolet part of the electromagnetic spectrum, and there are very few ultraviolet photons in the radiation from a cool star. Astronomy 2016-10-13T00:00:00Z As the jet plows into the surrounding gas and dust, it produces light all across the electromagnetic spectrum, called an afterglow. Strange Supernovae Upend Expectations 2020-11-17T05:00:00Z Only a small portion of the full electromagnetic spectrum is visible to the human eye. How smoke from California wildfires turns the sky red 2020-09-15T04:00:00Z One simple counter is.. superiority in the electromagnetic spectrum. Navy Electronic Warfare stops multiple enemy missile attacks at once 2020-07-17T04:00:00Z This part of the electromagnetic spectrum is particularly good for observing the distribution of cosmic dust. Nearby supergiant star's dimming explained 2020-06-29T04:00:00Z This figure shows the bands of the electromagnetic spectrum and how well Earth’s atmosphere transmits them. Astronomy 2016-10-13T00:00:00Z Within five days we had collected detailed observations all across the electromagnetic spectrum. Strange Supernovae Upend Expectations 2020-11-17T05:00:00Z Though it’s adjacent to visible light on the electromagnetic spectrum, its wavelengths are just too short for our eyes to register and see. How UV light may protect us from the coronavirus 2020-04-14T04:00:00Z “The warrior that controls the electromagnetic spectrum is likely to win the next fight,” Mike Meaney, vice president, Land and Maritime Sensors, Northrop Grumman, told Warrior in an interview. Navy Electronic Warfare stops multiple enemy missile attacks at once 2020-07-17T04:00:00Z 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 An introduction to the electromagnetic spectrum from NASA’s Imagine the Universe; note that you can click the “Advanced” button near the top and get a more detailed discussion. Astronomy 2016-10-13T00:00:00Z Because AT2018cow was so bright and so nearby, there was intense worldwide interest in this object, and astronomers observed it all across the electromagnetic spectrum. Strange Supernovae Upend Expectations 2020-11-17T05:00:00Z Zeng and co-workers’ results pave the way for studying topology in a previously inaccessible part of the electromagnetic spectrum. Quantum cascade laser lives on the edge 2020-02-11T05:00:00Z "We're using the electromagnetic spectrum as a domain and as a means, and we understand and grasp it," former Chief of Naval Operations Adm. Navy Electronic Warfare stops multiple enemy missile attacks at once 2020-07-17T04:00:00Z Israel would maintain control over the “airspace and electromagnetic spectrum west of the Jordan River”. Trump's Mideast plan: What's in it? 2020-01-29T05:00:00Z Have your group discuss what band of the electromagnetic spectrum might be best for this message and why. Astronomy 2016-10-13T00:00:00Z It will be sensitive to light in the visible and near-infrared part of the electromagnetic spectrum. Mission to reveal 'Truths' about climate change 2020-01-21T05:00:00Z The Finnish system senses in the microwave portion of the electromagnetic spectrum, which allows it to pierce the ejected ash and any cloud to detect directly the hard surface below. Taal volcano lake all but gone in eruption 2020-01-16T05:00:00Z In contrast, the new detection, made on 25 April last year, was void of a detectable signal in the electromagnetic spectrum. Cosmic vibrations sensed from unusual star merger 2020-01-07T05:00:00Z The key to true ultra-blackness is creating a material that absorbs light across the electromagnetic spectrum — not just visible light, but out to the far infrared, too. Ultra-Black Is the New Black 2019-11-11T05:00:00Z 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 We see this signal in measurements over most of the electromagnetic spectrum. Lessons on Nature and Politics at the California Seaside 2019-11-06T05:00:00Z Broadcast television, however it arrives — by cable or Wi-fi or, old school, riding the waves of the electromagnetic spectrum — continues to offer something valuable. In defense of network television 2019-10-31T04:00:00Z We are capable of seeing but a tiny sliver of the electromagnetic spectrum. Don't Fall Prey to Scaremongering about 5G 2019-10-28T04:00:00Z And we humans can sense only a tiny slice of the full electromagnetic spectrum, nestled between the lows of infrared and the highs of ultraviolet. The Neuroscience of Reality 2019-08-27T04:00:00Z That collision also produced a massive explosion that was seen by conventional telescopes across the electromagnetic spectrum. Scientists may have spotted a black hole and a neutron star colliding 2019-08-16T04:00:00Z Hydrogen dominated ordinary matter at the time, but it neither emits nor absorbs photons across the vast majority of the electromagnetic spectrum. The quest to unlock the secrets of the baby Universe 2019-08-13T04:00:00Z This causes a shift to the red end of the electromagnetic spectrum, a gravitational redshift. Star orbiting massive black hole lends support to Einstein's theory 2019-07-25T04:00:00Z As with previous cellular technologies, 5G networks rely on signals carried by radio waves - part of the electromagnetic spectrum - transmitted between an antenna or mast and your phone. Does 5G pose health risks? 2019-07-14T04:00:00Z “That part of the electromagnetic spectrum is necessary to make predictions as to where a hurricane is going to make landfall,” he told the committee. 5G could mean less time to flee a deadly hurricane, heads of NASA and NOAA warn 2019-05-23T04:00:00Z And some 70 other observatories were busy for months, watching the event unfold across the electromagnetic spectrum, from radio waves to X-rays. Gravitational waves hint at detection of black hole eating star 2019-04-25T04:00:00Z Unlike conventional receivers designed to detect signals over a particular frequency in the electromagnetic spectrum, Rydberg atoms are sensitive to a wide range of frequencies. Soon we'll be able to see round corners and underground 2019-03-07T05:00:00Z The natural eyeballs of mice and humans can only detect photons in wavelengths between 400 and 700 nanometers, a narrow sliver of the electromagnetic spectrum. Researchers Enable "Super Mice" to See Near-Infrared Light 2019-02-28T05:00:00Z Higher up the electromagnetic spectrum, well beyond those frequencies used by mobile phones, there are clear health risks from extended exposure. Does 5G pose health risks? 2019-07-14T04:00:00Z Each team member specialized in a different part of the electromagnetic spectrum and could interpret whatever insights about the signal were conveyed in that wavelength of light. Scientists had never seen anything like this supernova. Could it be a newborn black hole? 2019-01-11T05:00:00Z Although the authors’ near-perfect mirrors work only in light from a narrow range of the electromagnetic spectrum, the two studies open up intriguing possibilities for the fields of nanophotonics and quantum optics. 2018: Choice cuts from this year’s News & Views articles 2018-12-13T05:00:00Z This recombination produces light in the deep-red and infrared regions of the electromagnetic spectrum. Efficiency breakthrough for radical LEDs 2018-11-20T05:00:00Z Cellphones emit radiation from the radio part of the electromagnetic spectrum, which includes microwaves. Scientists and doctors zap theory that microwave weapon injured Cuba diplomats 2018-09-06T04:00:00Z “Jets are enigmatic phenomena seen in a number of environments, and now these exquisite observations in the radio part of the electromagnetic spectrum are providing fascinating insight into them, helping us understand how they work.” Faster Than Light? Neutron-Star Merger Shot Out a Jet with Seemingly Impossible Speed 2018-09-07T04:00:00Z Soon after the sighting was reported, scientists were observing it in every wavelength of the electromagnetic spectrum. Scientists had never seen anything like this supernova. Could it be a newborn black hole? 2019-01-11T05:00:00Z Scores of scientists began pointing their telescopes in that direction, staring at the right region of the universe in every wavelength of the electromagnetic spectrum. In a cosmic first, scientists detect ‘ghost particles’ from a distant galaxy 2018-07-12T04:00:00Z Designed to work in the infrared part of the electromagnetic spectrum, its gold-covered 20-foot-wide mirror will collect the oldest light in the universe, allowing scientists unprecedented insight into the time known as “cosmic dawn.” The James Webb Space Telescope is — wait for it — delayed again 2018-06-27T04:00:00Z The orbiter’s main spectrometer, NOMAD, operates in the infrared, ultraviolet and visible parts of the electromagnetic spectrum. Mars probe poised to solve red planet’s methane mystery 2018-04-22T04:00:00Z The material’s response to an oscillating electric field is, in general, not uniform with respect to incident waves from across the electromagnetic spectrum. Mirrors made of a single atomic layer 2018-04-08T04:00:00Z Designed to work in the infrared part of the electromagnetic spectrum, the JWST's gold-covered, 20-foot-wide mirror would collect the oldest light in the universe, allowing scientists unprecedented insight into the time known as “cosmic dawn.” Launch of NASA’s new flagship space telescope is delayed — again 2018-03-27T04:00:00Z Miller said eventually, if a deal is to be reached, highly sensitive details must be discussed regarding borders, surveillance and control of the electromagnetic spectrum. Kushner’s clearance downgrade could leave him ‘flying blind’ 2018-02-28T05:00:00Z Benzonitrile made its presence known by emitting photons in the radio range of the electromagnetic spectrum as the molecule tumbled end over end in space. Molecular Clue to the Mystery of Carbon's Cosmic Origin Uncovered 2018-01-11T05:00:00Z 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 discovery13 by the LIGO–Virgo experiments of gravitational waves from inspiralling neutron stars triggered an extensive campaign of follow-up observations, and the detection of counterpart emission across the electromagnetic spectrum. Origin of the heavy elements in binary neutron-star mergers from a gravitational-wave event : Nature : Nature Research 2017-10-15T04:00:00Z The evolution of AT 2017gfo across the electromagnetic spectrum shows multiple components dominating the observed emission. The X-ray counterpart to the gravitational-wave event GW170817 : Nature : Nature Research 2017-10-15T04:00:00Z Researchers collected data from the kilonova in every part of the electromagnetic spectrum. Scientists detect gravitational waves from a new kind of nova, sparking a new era in astronomy 2017-10-16T04:00:00Z That is because, for the first time, the event that created the waves was also noticed by telescopes that look at parts of the electromagnetic spectrum. Gravitational-wave astronomy starts in earnest 2017-10-16T04:00:00Z Thanks to the quick detective work, scientists were able to study the explosion across the electromagnetic spectrum, in everything from radio waves to gamma-rays. In a First, Pictures Show Gravitational Waves Being Born 2017-10-16T04:00:00Z Then other telescopes — both on the ground and in space — found it, too, measuring light from across the electromagnetic spectrum. For the first time, astronomers detect gravitational waves from two neutron stars colliding 2017-10-16T04:00:00Z Such an event should also emit radiation across the electromagnetic spectrum—from radio waves to γ-rays—which telescopes might be able to pick up. Rumors Swell Over New Kind of Gravitational-Wave Sighting 2017-08-24T04:00:00Z Yet because black holes emit no light or heat, past gravitational wave detections could not be paired with observations by conventional telescopes, which collect signals from what’s known as the electromagnetic spectrum. Scientists detect gravitational waves from a new kind of nova, sparking a new era in astronomy 2017-10-16T04:00:00Z Such an event should also emit radiation across the electromagnetic spectrum — from radio waves to γ-rays — which telescopes might be able to pick up. Rumours swell over new kind of gravitational-wave sighting 2017-08-23T04:00:00Z Webb will sense in the near and mid-infrared range of the electromagnetic spectrum. James Webb: Telescope's giant origami shield takes shape - BBC News 2017-08-09T04:00:00Z If they are hearing our message, that means they are capable of parsing structured disturbances in the electromagnetic spectrum, which means they understand the electromagnetic spectrum in some meaningful way. Greetings, E.T. (Please Don’t Murder Us.) 2017-06-28T04:00:00Z Gravity waves are not part of the electromagnetic spectrum, and are produced by different physical forces. Gravity-wave detectors offer a new way to look at the universe 2017-06-01T04:00:00Z During the two flights she made while in California, in discussions on the ground and a course she took as part of the project, Shrewsbury learned a lot about infrared astronomy and the electromagnetic spectrum. EXCHANGE: Learning center science head gets new perspective 2017-04-08T04:00:00Z According to Becker, astronomers one day hope to have surveys like this from every part of the electromagnetic spectrum. Faultlines, black holes and glaciers: mapping uncharted territories 2017-02-07T05:00:00Z Exactly what causes these high-energy surges of long waves at the far end of the electromagnetic spectrum remains the subject of intense debate. Source of mysterious deep space radio wave discovered for the first time 2017-01-04T05:00:00Z Do I expect it to be as revolutionary as astronomy based on the electromagnetic spectrum? Q&A: George Smoot : Nature : Nature Research 2016-09-27T04:00:00Z T-Mobile, Verizon, Sprint, you name it: none of these companies could exist or operate without receiving enormous concessions of a finite public resource: the electromagnetic spectrum. You're not Batman, John Legere, just another wireless talking head 2016-01-07T05:00:00Z Changes in the light emission, which is detected in the red and far-red part of the electromagnetic spectrum, will reveal, for example, if vegetation is being stressed, perhaps because of overheating, drought or disease. Flex satellite will map Earth's plant glow - BBC News 2015-11-19T05:00:00Z The researchers also discovered that in the mid-infrared portion of the electromagnetic spectrum, the hairs dissipate heat through thermal radiation. An Ant With the Right Coat for 158-Degree Weather 2015-06-18T04:00:00Z It’s all about mobile broadband, which means it’s all about the electromagnetic spectrum, the real estate on which all of this activity is built. The Dish Network’s disgraceful heist: How the corporate giant cheated taxpayers out of $3 billion 2015-06-02T04:00:00Z The migration subsequently frees part of the electromagnetic spectrum previously used for analog broadcasting, and this spectrum is coveted by telecom companies. Nigerian Mogul Jim Ovia Returns Controversial Digital Dividend 2015-06-02T04:00:00Z And because of the expansion, light from distant galaxies undergoes a “redshift”—wavelength increases, pushing the light toward the red side of the electromagnetic spectrum, outside the visible realm. How Astronomers Discovered the Universe's Hidden Light 2015-05-25T04:00:00Z “There are requirements to conceal uniforms across the electromagnetic spectrum,” said Maj. Marine Corps tests new camouflage to cloak against thermal sensors 2015-04-14T04:00:00Z Researchers also are looking at improvements in military technology for air, space, land, the electromagnetic spectrum and cybersecurity. U.S. military aspires to launch drones from ocean floor 2015-03-30T04:00:00Z The type of radiation emitted by wireless devices is part of the electromagnetic spectrum, which includes infrared radiation, visible light, UV and x-rays. Why Scientists Say Wi-Fi Signals Won't Give Your Kids Cancer 2015-01-19T05:00:00Z Methane and other pollutants, like benzene and toluene, that are released from oil and gas operations absorb infrared radiation at certain wavelengths on the electromagnetic spectrum. Two Ways Infrared Cameras Have Boosted the Case for E.P.A. Rules Cutting Methane Leaks 2015-01-05T05:00:00Z Companies bid more than $34 billion as of Friday afternoon for six blocks of airwaves, totaling 65 megahertz of the electromagnetic spectrum, being sold by the F.C.C. Bidding in Government Auction of Airwaves Reaches $34 Billion 2014-11-22T05:00:00Z The pattern for red would be elicited by the particular pattern of neural activity generate in the retina by the red portion of the electromagnetic spectrum. Learning How Little We Know About the Brain 2014-11-10T05:00:00Z Spitzer is one of NASA’s Great Observatories, focused on the infrared part of the electromagnetic spectrum. Week in Geek: View from a star nursery 2014-10-26T04:00:00Z The signals we want to observe are subtle and represent a narrow slice of the electromagnetic spectrum. NASA will be keeping an eye on your garden this summer Airwaves at the lower end of the electromagnetic spectrum are considered the most desirable for mobile broadband. F.C.C. to Help Small Firms Buy Airwaves 2014-05-15T04:00:00Z The commission freed up 100 megahertz of airwaves in a very high frequency band of the electromagnetic spectrum, known as the 5 gigahertz band, where another unlicensed band of similar size already exists. F.C.C. Votes to Clear More Airwaves for Wireless Data 2014-03-31T18:21:14Z The 12-page electromagnetic spectrum strategy was short on specifics but the officials said two separate follow-up documents being developed over the next six months, a roadmap and an action plan, would offer specifics. Pentagon working to share reserved airwaves with industry -officials 2014-02-20T19:46:30Z This signal travels over an available slice of the electromagnetic spectrum. What Wi-Fi's Popularity Means for Cell Phone Carriers 2014-01-02T21:34:39Z All three types scattered more waves than the bare object they were trying to hide - when tested over the whole range of the electromagnetic spectrum. New invisibility cloak type designed 2013-11-11T13:46:01Z The idea is to manipulate the characteristics of the light by varying the pulse rates and wavelengths in the electromagnetic spectrum and tune these changes to specific bird species. 10 ways to prevent plane bird strikes 2013-11-06T01:03:09Z Visible light is part of the electromagnetic spectrum and 10,000 times bigger than the radio spectrum, affording potentially unlimited capacity. LED 'li-fi' step closer, says China 2013-10-18T11:56:38Z The U.S. military is information-intensive, using large amounts of electromagnetic spectrum for everything from feeding video surveillance images from drones, to communications between soldiers and commanders in the field and global teleconferences among senior leaders. Pentagon working to share reserved airwaves with industry -officials 2014-02-20T19:46:30Z Though you can transmit the entire electromagnetic spectrum, from radio waves to gamma rays, there are problems. The Idea: An Inventor Wants One Less Wire to Worry About 2013-08-17T18:37:03Z The satellite will primarily communicate with Earth using radio waves in the commonly used L band of the electromagnetic spectrum, but it also carries an experiment for broadcasting in the less-crowded, high-frequency Q–V band. Seven days: 26 July–1 August 2013-07-31T17:20:14.450Z And unlike the radio portion of the electromagnetic spectrum, which is crowded and carefully apportioned, optical wavelengths are underused and unregulated. Lasers boost space communications 2013-07-17T17:20:28.010Z Light speed perception would be a revolution on par with discovering the rest of the electromagnetic spectrum beyond visible light. Why The Flash is the Only Human Living In the Present 2013-07-11T16:15:11.117Z The effort is meant to build on a 2010 initiative that aimed to make available some 500 megahertz of electromagnetic spectrum – the airwaves used by cellphone and wireless communications. Obama Seeks to Expand Airwaves for Wireless Use 2013-06-14T16:01:25Z The new system would share the 14.0-14.5 gigahertz band of the electromagnetic spectrum, a 500-megahertz band that is far wider than the current 4-megahertz band used in air-to-ground systems. F.C.C. Advances Plan for Faster In-Flight Wi-Fi 2013-05-10T00:50:13Z The general picture of quasars is now relatively uncontroversial—giant black holes at the centers of distant galaxies feed on gas and even nearby stars, glowing brightly across the electromagnetic spectrum as a result. Quasars at 50: Luminous Cosmic Beacons Remain a Puzzle 2013-03-14T17:15:16.930Z Up for grabs is the biggest chunk of the electromagnetic spectrum ever put on the market by a British government. London buses to hold radio wave spectrum auction for mobile firms 2013-01-18T15:37:13Z Powerful though the Hubble is, it can’t see very far into the infrared region of the electromagnetic spectrum, and these earliest galaxies are mostly visible in that range. Cosmic Dawn: How the Universe's Lights Went On 2012-12-14T13:35:31Z Until now, structured absorbers have been successfully demonstrated across the entire electromagnetic spectrum, relying on top-down lithographic patterning as the fabrication approach. Controlled-reflectance surfaces with film-coupled colloidal nanoantennas 2012-12-11T21:22:39.403Z More important, microwaves are part of the same electromagnetic spectrum as visible light. Gray Matter: A Real-Life Invisibility Cloak 2012-11-17T20:57:42Z The F.C.C.’s proposed rules include other changes in addition to auctions, including moving the location of some broadcasters to new spots on the electromagnetic spectrum, a process referred to as repacking. F.C.C. Approves Auction Process for Spectrum 2012-09-28T17:31:49Z The best airwaves for mobile phone companies are low on the electromagnetic spectrum, around 700 megahertz. F.C.C. Considers New Spectrum Rules for Wireless Companies 2012-09-26T01:30:02Z Different temperatures, and their connection to color through the law of black body radiation, reveal that seemingly distinct phenomena such as ultraviolet light and X-rays are really just parts of the broad electromagnetic spectrum. How Hot Is the Hottest Star? [Excerpt] 2012-07-27T10:15:00.230Z This is the part of the electromagnetic spectrum in which the first luminous objects - the first stars and galaxies - should be detectable. Telescope instrument flies to US 2012-05-29T14:19:18Z Now AT&T and others are looking to the FCC, which controls the electromagnetic spectrum, to hold an auction for underused and unused portions. Auction the Spectrum, Grow the Economy 2012-02-14T17:08:01Z The new technology utilizes terahertz waves, which sit on the electromagnetic spectrum between microwaves and infrared. Frisking Suspects for Weapons, from 80 Feet Away 2012-01-20T12:05:50Z Before 1927, electromagnetic spectrum was akin to a piece of green prairie, where homesteading broadcasters created property rights by using it. Riding the Wrong Wave 2011-10-27T21:00:43Z Another bipartisan proposal by the Senate Commerce Committee would produce $10 billion in revenue through auctioning portions of the electromagnetic spectrum to wireless companies. Where to cut: Many suggestions, little time as debt panel toils toward $1.2 trillion goal 2011-10-14T21:00:59Z Quantum cascade lasers, first developed at Bell Laboratories in 1994, are semiconductor lasers that emit in the mid- to far-infrared portion of the electromagnetic spectrum. Launch Counter: U.S. Army Considers Quantum Cascade Lasers to Protect its Aircraft [Video] 2011-10-13T11:15:05.633Z These use terahertz rays, which lie between microwaves and infrared radiation on the electromagnetic spectrum. Yes We Scan: Have New Airport Screening Technologies Inspired by 9/11 Made Us Safer? [Slide Show] 2011-09-09T11:45:00.203Z The ideal solution would be to enact spectrum reform that frees up larger swaths of the electromagnetic spectrum to be allocated by market forces. Is Blocking Mobile Merger An "Assault on Innovation?" 2011-09-06T15:38:57Z EW encompasses military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. Electronic Warfare Is Everywhere 2011-08-03T21:05:47Z Many people do not realize, however, that we are increasingly surrounded by technologies that emit radiation in the same radiofrequency portion of the electromagnetic spectrum: WiFi routers, Bluetooth transmitters and more. Radiation from Cell Phones and Other Electronic Devices [Graphic] 2011-08-01T15:15:00.267Z Areas of tentative agreement include trimming farm subsidies, auctioning electromagnetic spectrum to communications companies, and cutting student loan subsidies. Top Republican Cantor exits budget talks 2011-06-23T16:58:18Z Dark and clean, and easily swipeable with some type of appropriately hip cleaner, it's made of a nearly unbreakable ceramic that radiates a relatively large part of the electromagnetic spectrum. Ceramic-Range Tops: Easy on the Eyes, Hard on the Cooking 2011-06-01T09:30:00Z Those areas include farm subsidies, the sale of the electromagnetic spectrum, and retirement plans for federal workers. "Gang of Six" budget talks founder in Senate 2011-05-18T00:22:15Z If one piece of equipment uses a part of the electromagnetic spectrum and another piece of equipment comes too close, one of them will stop working. Electronic Warfare Is Everywhere 2011-08-03T21:05:47Z Radio telescopes, which look like oversize satellite dishes, receive emissions from space at the longest wavelengths on the electromagnetic spectrum. Array of Hope: Australia and South Africa Vie for Massive Radio Telescope Project 2011-05-09T17:15:00.260Z It relates to the undervaluation of electromagnetic spectrum, resulting in top government officials being jailed for corruption. 'Waiting and watching' 2011-04-12T16:06:33Z They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum—whether optical or radio-frequency—to send messages to other solar systems. Astrophysics and alien intelligence: Talking to the neighbours 2011-04-07T10:58:14Z The government didn't auction off licenses for the segments of electromagnetic spectrum that 3G uses until last year. After Years of Delays, India Finally Gets 3G 2011-02-17T22:00:00Z In 2006, the Navy deployed EW teams in Iraq to manage the electromagnetic spectrum. Electronic Warfare Is Everywhere 2011-08-03T21:05:47Z Data moves from a tower to a cell phone over electromagnetic spectrum, which carriers buy at auction from the federal government. Wireless: Overstating Smartphone Data Hogs? 2011-02-10T04:45:44Z The antenna is valuable to astronomers because it is designed to probe the Universe using radio waves with wavelengths shorter than 1 millimetre — an under-explored region of the electromagnetic spectrum. Astronomy: Antenna decision makes waves 2011-02-02T18:21:00.790Z The planes have the ability "to influence the electromagnetic spectrum", he says rather elusively. Floating fortress 2011-01-31T20:49:56Z This relic radiation from the Big Bang 13.7 billion years ago fills the entire sky in the microwave portion of the electromagnetic spectrum. Telescope observes cosmic giants 2011-01-11T16:39:43Z Securing supremacy over the spectrum will be more difficult in the future as foreign military groups rapidly expand efforts to exploit the electromagnetic spectrum for strategic advantage. Electronic Warfare Is Everywhere 2011-08-03T21:05:47Z We've looked carefully at only a few thousand stars and very few channels that are possible on the electromagnetic spectrum and that's hardly even a start. Where is everyone? 2010-12-14T10:43:09Z The part of the electromagnetic spectrum in which Smos sees the planet is supposed to be reserved for Earth observation. Water mission fights interference 2010-05-05T11:27:00Z Observing at submillimeter wavelengths — which lie between infrared and radio waves on the electromagnetic spectrum — was critical for assessing the true star formation rate, because the radiation easily penetrates dusty, star-forming regions, notes Swinbank. Cosmic Telephoto Lens Shows Intense, Early Star Formation 2010-03-22T14:22:00Z At these frequencies, the three centimeter band of the electromagnetic spectrum, energy does not flow on wires as it does in the lower frequency regions. Where I Wasn't Going |
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