| 单词 | Doppler |
| 例句 | Hubble combined the distance data with Doppler speed data, and found something shocking. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z To understand the implications of this, we must first understand the Doppler effect. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The distance of the galaxy yields its age—and its Doppler shift yields its velocity. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z This relationship between wavelength and speed, which is called the Doppler effect, is an everyday experience. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The Demerol had set off some kind of weird Doppler effect in my head, like the whine of car tires speeding past and receding in the distance. The Secret History 1992-10-16T00:00:00Z Physics was taught by Christian Doppler, the redoubtable Austrian scientist who would become Mendel’s mentor, teacher, and idol. The Gene 2016-06-02T00:00:00Z The apparent recession of the galaxies, with the red shift interpreted through the Doppler effect, is not the only evidence for the Big Bang. Cosmos 1980-01-01T00:00:00Z There is nevertheless a nagging suspicion among some astronomers that all may not be right with the deduction, from the red shifts of galaxies via the Doppler effect, that the universe is expanding. Cosmos 1980-01-01T00:00:00Z This is the Doppler effect, and it works with light, too. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z Doppler’s example returned to Mendel: there was music behind noise, laws behind seeming lawlessness, and only a profoundly artificial experiment—creating hybrids out of purebred strains carrying simple traits—could reveal these underlying patterns. The Gene 2016-06-02T00:00:00Z Getting to the *Modem surveys using lasers and state-of-the-art Doppler satellite transmissions have revised this measurement upward a mere 26 feet—to the currendy accepted altitude of 29,028 feet, or 8,848 meters. Into Thin Air 1996-08-01T00:00:00Z Indeed, the police make use of the Doppler effect to measure the speed of cars by measuring the wavelength of pulses of radio waves reflected off them. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z But in 1845, Doppler had loaded a train with a band of trumpet players and asked them to hold a note as the train sped forward. The Gene 2016-06-02T00:00:00Z We can determine the present rate of expansion by measuring the velocities at which other galaxies are moving away from us, using the Doppler effect. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z This red shift, observed in the spectral lines of distant galaxies and interpreted as a Doppler effect, is the key to cosmology. Cosmos 1980-01-01T00:00:00Z Or the red shift might be a Doppler effect due not to the general expansion of the universe but rather to a more modest and local galactic explosion. Cosmos 1980-01-01T00:00:00Z The Doppler effect is the key to cosmology. explosions, that produced any particular sample of magnesium. Cosmos 1980-01-01T00:00:00Z The most obvious explanation of the red shift was in terms of the Doppler effect: the galaxies were receding from us; the more distant the galaxy the greater its speed of recession. Cosmos 1980-01-01T00:00:00Z Sound and light, Doppler argued, behaved according to universal and natural laws—even if these were deeply counterintuitive to ordinary viewers or listeners. The Gene 2016-06-02T00:00:00Z The only way to clock the speed of a galaxy is by using the Doppler effect—the same principle used in state troopers’ radar guns. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z Doppler’s demonstrations and experiments captivated Mendel as much as they frustrated him. The Gene 2016-06-02T00:00:00Z The discovery of the Big Bang and the recession of the galaxies came from a commonplace of nature called the Doppler effect. Cosmos 1980-01-01T00:00:00Z There were stray samples of hip-hop, salsa and Top 40 coming from car radios, getting transposed downward by the Doppler effect as they faded away. The Art of Summer: The Contrapuntal Sounds of Gridlock 2011-08-09T23:37:12Z Christos Hatzis' "Coming To" featured very high harmonics and sliding passages in thirds that sounded like the Doppler effect of a passing train. Hahn, Lisitsa mix old, new with dazzling results 2011-10-18T18:26:04Z “We extract those and maybe do a little Doppler effect on them.” The Carpetbagger: 'War Horse' Sound Tricks: Otters Stand in for Horses and Other Trade Secrets 2012-01-03T19:51:11Z In their drive to be mothers, they invest in ovulation monitors, and Ms. Jones buys a home Doppler. The Gift of Donor 8282 2010-05-21T22:52:00Z With Alice Coltrane-like harp runs, meditation bowls, rave stabs and Doppler effect dub wobbles, he creates music full of surprises that is always melodic. Caribou: Swim 2010-04-17T23:10:00Z It’s got a story that skips around in time, so there’s a moral Doppler effect to factor in. Phil Klay’s New Novel Is a Sobering Look at America’s Wars 2020-09-28T04:00:00Z The book rings louder in my imagination the more time I spend apart from it, a kind of reverse Doppler effect. ‘Dying: A Memoir’ Is a Bracing Illumination of Terminal Illness 2017-07-26T04:00:00Z The boys cheered the cornfields while I experienced the Doppler effect of being passed by a massive long-haul truck going roughly 80 mph. A latecomer to the #vanlife party takes a 4,000-mile road trip in a pop-up camper 2021-09-23T04:00:00Z The latest findings required researchers to painstakingly track Cassini’s motion by monitoring minute changes in the frequency of the signal it sent back to Earth, called Doppler shifts. New hope for extraterrestrial life on Saturn moon 2014-04-04T12:45:00Z The track “Run for Your Life” is made of multiple beats recorded from a moving van — Diggs’s raps change tempo to account for the Doppler effect. 2020 Is Chaotic. Clipping’s New Horror-Rap Album Captures It. 2020-10-19T04:00:00Z And this little gadget here hooks your pressure-cooker up to a famous sous-chef in Catalunya who, with his iPod, will calibrate the temperature of your machine to continuously updated readings from Doppler radar ... Cultural Studies: Food Is the Latest Arena for Macho Contests 2012-09-15T00:37:02Z Calling itself the “world’s first Doppler radar for sickness ,” Sickweather offers you illness maps instead of weather maps. Apptitude: This ‘Doppler radar for sickness’ has a few bugs 2015-03-05T05:00:00Z For centuries, before we knew of Dopplers and ultrasounds, a pregnancy became real only at the point of “quickening,” the moment when an expectant mother first felt her baby move, somewhere in the second trimester. Perspective | The one point abortion rights activists need to keep making 2022-10-03T04:00:00Z The following afternoon, I sat on a cushioned tree stump in a woodland as one of 35 spectators for the Grid Iron theater company’s hugely enjoyable “Doppler.” A Quiet Summer at Edinburgh’s Festivals 2021-08-19T04:00:00Z Doppler weather radar stations and ground-based magnetometers -- devices that measure the intensity of local magnetic fields -- to test for a possible link between geomagnetic disturbances and disruptions to nocturnal bird migration. Space weather disrupts nocturnal bird migration, study finds 2023-10-09T04:00:00Z University of Miami and National Oceanographic and Atmospheric Administration researchers on Virginia Key are using Tail Doppler Radar to create a three-dimensional image of the storm, almost like a CAT scan. Why Idalia intensified so quickly, and why that may be the new normal 2023-09-04T04:00:00Z Next door at the Rainbow Bridge Market, cashier Amy Allen, 42, said she wondered whether the earthquake was caused by a Doppler radar tower on top of a mountain east of town. What happened when a 'hurriquake' struck Ojai? Little damage, plenty of weird vibes 2023-08-22T04:00:00Z When treatment didn’t help after 10 days, his physical therapist suggested a Doppler scan the day before Crouser was scheduled to travel to Budapest. Ryan Crouser wins shot put world championship gold again amid blood clot scare 2023-08-19T04:00:00Z Sometimes I go to sleep to the bizarre Doppler effect of planes that sound as if they’re about to crash into my house. Sea-Tac Airport: Push back on impact on neighbors 2023-06-09T04:00:00Z They emit light at specific wavelengths, which the gases’ swirling motion smears into “broad emission lines” through the Doppler effect. Astronomers try to catch titanic black hole clashes in action 2023-04-25T04:00:00Z His team is working to develop a technique that is based on so-called Doppler telescopes and that can detect when charged particles are headed toward Earth. Northern Lights Dance across U.S. because of ‘Stealthy’ Sun Eruptions 2023-03-30T04:00:00Z Matthew Cappucci, a meteorologist, said on Twitter that the smoke plume reached “about 3,600 feet high,” according to the National Weather Service Doppler radar. Driver Killed After Tanker Overturns and Explodes in Maryland 2023-03-04T05:00:00Z The jet also has a separate Doppler radar system in the tail, which captures cross-section images as it passes over a storm. How do you track an atmospheric river? Climb aboard this highflying reconnaissance jet 2023-02-01T05:00:00Z It detected an odd Doppler radar signal between 7:15 and 8 a.m. Bats? Aliens? Odd radar signal is detected in Eastern Washington 2023-01-17T05:00:00Z A tail-mounted Doppler radar estimates how quickly the moisture is moving below. 8 Miles Over the Pacific, an Early Look at California’s Wild Weather 2023-01-14T05:00:00Z “Today’s storm was very electrified,” said Doppler on Wheels founder Josh Wurman in an email Sunday. A surprising trigger of western New York ‘thundersnow’: Wind turbines 2022-11-21T05:00:00Z Ornithologists have also learned to use NEXRAD, a national network of Doppler weather radars, to visualize birds migrating down the North American continent. One small flap for birds, one giant leap for mankind 2022-09-04T04:00:00Z The characteristic sound of a motorcycle buzzing by is an example of the Doppler effect. College Physics for AP Courses 2015-08-12T00:00:00Z The radar image shows typical movement of clouds across southeast Washington and northeast Oregon as the Doppler radar dish on a tower at Pendleton, Oregon, picks up return signals. Bats? Aliens? Odd radar signal is detected in Eastern Washington 2023-01-17T05:00:00Z The Doppler effect lets astronomers measure the star’s radial velocity: that is, the speed of the star, toward us or away from us, relative to the observer. Astronomy 2016-10-13T00:00:00Z The red shift is a consequence of the Doppler effect. Physical Geology 2015-01-01T00:00:00Z Doppler — the Storm’s purple and yellow mascot blob — repeatedly lost rock, paper, scissors duels with kids during commercial breaks, revealing that it does in fact have fingers. Storm erupt in second half to topple Dallas Wings in first game after All-Star break 2022-07-12T04:00:00Z The actual change in frequency due to relative motion of source and observer is called a Doppler shift. College Physics for AP Courses 2015-08-12T00:00:00Z This animation demonstrates how the Doppler effect is heard as a car moves. An Introduction to Geology 2017-01-01T00:00:00Z He observed the Doppler shift in one of the hydrogen lines in the spectrum of Sirius and found that this star is moving toward the solar system. Astronomy 2016-10-13T00:00:00Z Before we get to the Doppler effect as it pertains to the red shift, let’s see how it works on something more tangible. Physical Geology 2015-01-01T00:00:00Z The TrackMan system uses a Doppler radar system to track every pitch. Robot umpires could be coming to Major League Baseball in 2024 2022-06-30T04:00:00Z The reflector then acts as a moving source, producing a second Doppler shift. College Physics for AP Courses 2015-08-12T00:00:00Z The Doppler effect is the same process that changes the pitch of the sound of an approaching car or ambulance from high to low as it passes. An Introduction to Geology 2017-01-01T00:00:00Z Each point on the star has its own Doppler shift, so the absorption line we see from the whole star is actually much wider than it would be if the star were not rotating. Astronomy 2016-10-13T00:00:00Z The hospital was prepared; the Seattle Storm mascot Doppler arrived to give children a 7-foot, red and yellow, shaggy distraction. U.S. begins vaccinating young children against coronavirus 2022-06-21T04:00:00Z Upgrades to Doppler radar in the past 15 years have unlocked many mysteries and have aided in identifying these twisters. 2022 generated most March tornadoes on record in U.S. 2022-04-05T04:00:00Z A clever technique is used to measure the Doppler shift in an echo. College Physics for AP Courses 2015-08-12T00:00:00Z The Doppler effect is used on light emitted from stars and galaxies to determine their speed and direction of travel. An Introduction to Geology 2017-01-01T00:00:00Z Broadening of spectral lines by the Doppler effect is a measure of rotational velocity. Astronomy 2016-10-13T00:00:00Z Despite unimpressive rotation from the Weather Service’s WSR-88D radar — a more powerful device that offers slightly coarser resolution — a high-resolution and ultrasensitive terminal Doppler radar at Dulles painted a different story. Severe storms bring damage, possible tornadoes in Fairfax County 2022-03-31T04:00:00Z We also know, from Doppler radar, there were 70-plus-mph winds from the southeast just 1,000 feet above the ground, along the back edge of the rain shield. D.C. has already seen double its typical January snowfall, and more could come 2022-01-17T05:00:00Z The actual change in frequency is called the Doppler shift. College Physics for AP Courses 2015-08-12T00:00:00Z Before Doppler was deployed to predict tornadoes, the best the authorities could do was rely on a more primitive form of radar and a small army of weather spotters communicating by ham radio. They said the tornado would hit at 9:30. It hit at 9:30 2021-12-14T05:00:00Z The Doppler and transit techniques are our most powerful indirect tools for finding exoplanets. Astronomy 2016-10-13T00:00:00Z The bottom row shows continuation of the notch structure several minutes later, and at this time a subtle Doppler signature of rotation develops. Severe storms bring damage, possible tornadoes in Fairfax County 2022-03-31T04:00:00Z As a satellite moves relative to a stationary observer, the waves of its signals compress and elongate, like the siren of a passing ambulance, in what’s known as the Doppler effect. Scientists create their own GPS by spying on internet satellites 2021-09-27T04:00:00Z This concept, known as the Doppler effect, supports Essential Knowledge 6.B.5. College Physics for AP Courses 2015-08-12T00:00:00Z Collins' protocol calls for additional imaging with a 3D or 4D Doppler, which allows a physician to evaluate the nooks and crannies of the fetus and the cord. The debate over umbilical cord screenings and stillbirths 2021-07-22T04:00:00Z The result is that the lines we observe from the entire galaxy contain the combination of many Doppler shifts. Astronomy 2016-10-13T00:00:00Z He hypothesized that Transcranial Doppler ultrasound could detect children at high risk before they had strokes. These Sisters With Sickle Cell Had Devastating — and Preventable — Strokes 2021-05-23T04:00:00Z The agency said its successes can be found embedded in Americans’ lives, including funding that led to the development of the internet, Doppler radar, DNA fingerprinting and bar codes. Iowa Republican mocks taxpayer-funded study that had participants taste-testing toilet water 2021-05-19T04:00:00Z The first Doppler shift is for the moving observer; the second is for the moving source. College Physics for AP Courses 2015-08-12T00:00:00Z He analyzes the data from the nation’s network of 160 Doppler weather radar stations, the same data that produces the animated weather forecast maps on local TV. Space-junk sleuths track to Eastern Washington the rocket chunks that lit up the sky in March 2021-04-22T04:00:00Z Suppose you were Hubble and Humason, working on the distances and Doppler shifts of the galaxies. Astronomy 2016-10-13T00:00:00Z Well, that actually was Doppler, an Austrian physicist, 1842, came up with this. Is there a future for bitcoin? An investor and a skeptic make their cases 2021-04-06T04:00:00Z On the surface, these fries from Mamnoon Street — located in the Doppler Building next to the Amazon Spheres — shouldn’t work. What makes the perfect takeout French fry? Our food writer finds out — then dishes on her Seattle-area faves 2021-03-17T04:00:00Z People talking when a wind moves the air between them also observe no Doppler shift in their conversation. College Physics for AP Courses 2015-08-12T00:00:00Z This Doppler effect is illustrated by the whistle of an approaching train. The Future of Car Navigation Has Arrived 2021-02-25T05:00:00Z If we apply the relativistic form of the Doppler shift formula, we find that these redshifts correspond to velocities of about 96% of the speed of light. Astronomy 2016-10-13T00:00:00Z A mobile Doppler radar unit was brought in yesterday by the National Weather Service and the University of Oklahoma, The Washington Post reported. Hurricane Delta is the latest disaster in a vicious season 2020-10-09T04:00:00Z The Center for Severe Weather Research mobile radar unit, known as Doppler on Wheels, detected a 123-mph gust in Orange Beach, Ala., which is probably reliable. Gusts to 123 mph, 30 inches of rain and a 6-foot storm surge: Hurricane Sally by the numbers 2020-09-17T04:00:00Z The greater the plane’s speed vs , the greater the Doppler shift and the greater the value observed for fobs . College Physics for AP Courses 2015-08-12T00:00:00Z One test is to see whether the signal’s frequency drifts over time: An alien transmitter would be on a moving planet, causing a Doppler shift. How big money is powering a massive hunt for alien intelligence 2020-09-10T04:00:00Z The Doppler effect is then used to measure radial velocities of the orbiting material and so derive the speed with which it moves around. Astronomy 2016-10-13T00:00:00Z If this effect was interpreted as a Doppler shift—the natural spreading of waves as they recede—it would imply that other galaxies were moving away from one another and from us. How Astronomers Revolutionized Our View of the Cosmos 2020-09-01T04:00:00Z Capture ultra-detailed radar scans from the inside of Laura, probing the tempest in a way that traditional Doppler radar simply couldn’t. Scientists drove radars inside Hurricane Laura’s fiercest winds, hoping to unravel their mysteries 2020-08-30T04:00:00Z First discussed for sound waves, a Doppler shift occurs in any wave when there is relative motion between source and observer. College Physics for AP Courses 2015-08-12T00:00:00Z One, a Doppler radar, takes what is essentially “an MRI of the storm” from the sea surface to the cloud tops, he says. Tales from the storm: How four scientists tracked Hurricane Laura 2020-08-28T04:00:00Z In some cases, we can use the combination of transit plus Doppler measurements to determine whether the planets orbit in the same plane and in the same direction as the star. Astronomy 2016-10-13T00:00:00Z Adriaan Dokter, an ecologist with a background in physics, has used Doppler weather radar to find out more about this phenomenon. The Mysterious Life of Birds Who Never Come Down 2020-07-29T04:00:00Z DOW 7, one of two Doppler on Wheels trucks, was stranded on the side of Highway 73, about 30 miles west of the team’s hotel. Scientists drove radars inside Hurricane Laura’s fiercest winds, hoping to unravel their mysteries 2020-08-30T04:00:00Z In the Doppler equation, λobs is the observed wavelength, λs is the source wavelength, and u is the relative velocity of the source to the observer. College Physics for AP Courses 2015-08-12T00:00:00Z Doppler radar estimated up to eight inches fell. Isaias, now a tropical storm, barrels toward Florida before it surges up entire East Coast 2020-08-01T04:00:00Z Astronomers measured the Doppler shift of spectral lines emitted by this gas, found its speed of rotation, and then used the speed to derive the amount of mass inside the disk—applying Kepler’s third law. Astronomy 2016-10-13T00:00:00Z "Scientists call this rotation a mesocyclone when it is detected by Doppler radar." What is a supercell? Why these thunderstorms can form violent tornadoes 2020-07-15T04:00:00Z A tornado warning means a tornado has been spotted, or that Doppler radar shows a thunderstorm circulation that can spawn a tornado. Editorial Roundup: South Carolina 2020-04-15T04:00:00Z The relativistic Doppler shift is easy to observe. College Physics for AP Courses 2015-08-12T00:00:00Z One minute after the warning was issued, Doppler radar confirmed a destructive tornado, with debris lofted into the air, just east of the airport, directly over the state prison near the Cumberland River. Tennessee tornadoes kill at least 24 people, including children, and leave a trail of destruction 2020-03-03T05:00:00Z Explain how the Doppler effect works for sound waves and give some familiar examples. Astronomy 2016-10-13T00:00:00Z In the center, the “luck line” of the title contains the energy of a roller coaster’s vertical loop and the pulsing, helpless anxiety of an approaching storm on Doppler radar. At the Hirshhorn, a showcase of recent acquisitions takes the temperature of the art world 2019-12-23T05:00:00Z In 1956, Otto Struve wrote a short paper pointing out that the precision of Doppler measurements had become good enough to detect massive planets, but only if they existed in tiny orbits. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z In astronomical observations, the relativistic Doppler shift provides velocity information such as the motion and distance of stars. College Physics for AP Courses 2015-08-12T00:00:00Z They seize slowly into focus, and you start to see a Doppler map of finely parsed grays. A Play About the Nuances of Conservatism in the Trump Era 2019-10-14T04:00:00Z From which star will you observe the greatest Doppler shift? Astronomy 2016-10-13T00:00:00Z “Current sensors that are being used are not good enough yet,” Mr. Marenko acknowledged, referring to conventional Doppler radar. These High-Tech Sensors May Be the Key to Autonomous Cars 2019-09-26T04:00:00Z And that gives astronomers a way to find them, using the Doppler effect. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z What happens to the relativistic Doppler effect when relative velocity is zero? College Physics for AP Courses 2015-08-12T00:00:00Z At the center of it all is Amazon’s Alexa voice-computing system, which was just a secret development project called Doppler only eight years ago. Amazon rolls out new devices amid swirl of privacy questions 2019-09-25T04:00:00Z We measure the speeds of the stars from the Doppler effect. Astronomy 2016-10-13T00:00:00Z The Doppler data indicate that Vikram was instead moving at more than 110 miles per hour. Did India’s Chandrayaan-2 Moon Lander Survive? The Odds Are Long 2019-09-10T04:00:00Z He was the world’s preeminent authority in precise Doppler observations. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z Is the relativistic Doppler effect consistent with the classical Doppler effect in the respect that λobs is larger for motion away? College Physics for AP Courses 2015-08-12T00:00:00Z This type of circulation, visible at intermediate levels in the Doppler data, helped these storms ingest unstable and buoyant air from the south and east, sustaining and intensifying the storm’s cells. Analysis | ‘Never seen anything like it’: How a ‘near constant’ lightning show lit up parts of central Maryland on Sunday night 2019-08-19T04:00:00Z The expansion and contraction of pulsating variables can be measured by using the Doppler effect. Astronomy 2016-10-13T00:00:00Z The umpire then relays the call from a tracking system that uses Doppler radar. Editorials from around Ohio 2019-08-05T04:00:00Z In fact, the planet could be even more massive, because the Doppler method only tells us the planet’s minimum possible mass. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z A highway patrol officer uses a device that measures the speed of vehicles by bouncing radar off them and measuring the Doppler shift. College Physics for AP Courses 2015-08-12T00:00:00Z The home plate umpire wears an earpiece connected to an iPhone in their pocket and the umpire then relays the call upon receiving it from a TrackMan computer system that uses Doppler radar. Former AL Cy Young winner tossed from Atlantic League game for outburst over robo ump's strike zone 2019-07-17T04:00:00Z Hundreds of giant planets have been discovered using the Doppler technique. Astronomy 2016-10-13T00:00:00Z They can play on a 17th-floor deck in Amazon’s Doppler Building, created just for them and featuring ornamental fire hydrants and artificial grass. Alexa, how many dogs come to work at Amazon Seattle? 7,000 2019-06-21T04:00:00Z The Doppler signal might be caused by something else besides a planet. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z Note that there are two Doppler shifts in echoes. College Physics for AP Courses 2015-08-12T00:00:00Z Mueller studies bat behaviors, including their adaptations to the Doppler effect or Doppler shift. In the Wiggle of an Ear, a Surprising Insight into Bat Sonar 2019-06-17T04:00:00Z In the same way, when we first used the Doppler technique, it selected massive planets close to their stars as the most likely discoveries. Astronomy 2016-10-13T00:00:00Z SIS employees and union organizers chanted, beat drums and hoisted signs on the street outside Amazon’s Doppler office tower on Wednesday afternoon as the broader May Day march and rally came down Seventh Avenue. Amazon security workers hold May Day rally as contract is up for bid 2019-05-01T04:00:00Z Remember, the Doppler method only reveals the orbiting body’s minimum mass—the true mass could be larger. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z Doppler shifts and sonic booms are interesting sound phenomena that occur in all types of waves. College Physics for AP Courses 2015-08-12T00:00:00Z Bats use the Doppler shift to locate objects in much the same way, but far more precisely. In the Wiggle of an Ear, a Surprising Insight into Bat Sonar 2019-06-17T04:00:00Z The Doppler method allows us to estimate the mass of a planet. Astronomy 2016-10-13T00:00:00Z And simple considerations about the relativistic rotation of the disk implied that a strong Doppler shift would cause a strong asymmetry of the apparent flux. Here’s what scientists think a black hole looks like 2019-04-08T04:00:00Z Hot Jupiters produce the biggest Doppler signals, and they can be detected and confirmed with only a few weeks’ worth of data; no need to wait decades, as Walker had thought would be necessary. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z In meteorology, the Doppler shift is used to track the motion of storm clouds; such “Doppler Radar” can give velocity and direction and rain or snow potential of imposing weather fronts. College Physics for AP Courses 2015-08-12T00:00:00Z The bats don’t get disoriented, because they adjust the frequency of the calls they produce to compensate for this “bad” Doppler shift. In the Wiggle of an Ear, a Surprising Insight into Bat Sonar 2019-06-17T04:00:00Z This immediately tells us that the initial Doppler discovery of many hot Jupiters was a biased sample, in effect, finding the odd planetary systems because they were the easiest to detect. Astronomy 2016-10-13T00:00:00Z In short, geometrically good but physically wrong because they neglected the physical properties of the accretion disk and the Doppler shift effects. Here’s what scientists think a black hole looks like 2019-04-08T04:00:00Z That’s because the star moves in all three dimensions, but the Doppler effect only arises from one of those dimensions: the motion toward or away from the observer. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer. College Physics for AP Courses 2015-08-12T00:00:00Z He and Yin interpret this to mean that the bats are producing “good” Doppler shifts to alter the incoming sounds, thereby gaining more accurate information about the direction a biosonar target is traveling. In the Wiggle of an Ear, a Surprising Insight into Bat Sonar 2019-06-17T04:00:00Z Which types of planets are most easily detected by Doppler measurements? Astronomy 2016-10-13T00:00:00Z If it is almost face-on, the luminosity asymmetry due to the Doppler shift will not be strong. Here’s what scientists think a black hole looks like 2019-04-08T04:00:00Z Some were concerned that the Doppler shifts were from stellar pulsations, rather than orbital motion; maybe the surface of 51 Peg was bulging out, then sinking back with a regular rhythm. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z Doppler, for example, had musicians play on a moving open train car and also play standing next to the train tracks as a train passed by. College Physics for AP Courses 2015-08-12T00:00:00Z These movements also added Doppler shifts to incoming sounds. In the Wiggle of an Ear, a Surprising Insight into Bat Sonar 2019-06-17T04:00:00Z Like the Doppler technique, the transit observations favor discovery of large planets and short-period orbits. Astronomy 2016-10-13T00:00:00Z As the gas—including the calcium ions—zips around the white dwarf, its light gets Doppler shifted to slightly higher frequencies when moving toward Earth and lower frequencies when moving away. Astronomers spy an iron planet stripped of its crust around a burned-out star 2019-04-04T04:00:00Z Those washes of Moog are like the Doppler effect from a passing supersonic train. Giorgio Moroder – his 20 greatest songs, ranked 2019-03-28T04:00:00Z For example, there is no Doppler shift in the frequency of conversations between driver and passenger on a motorcycle. College Physics for AP Courses 2015-08-12T00:00:00Z When Doppler data came through showing “behaviour as expected” after the spacecraft landed, the official Twitter account for the mission reported “cheers went up with a clap!” Japan’s Hayabusa 2 successfully touches down on Ryugu asteroid 2019-02-21T05:00:00Z Recent detection of exoplanets using both the Doppler and transit techniques has been incredibly successful. Astronomy 2016-10-13T00:00:00Z If that all feels eternal, consider what it was like to endure a snowstorm in a time before Gore-Tex and Doppler radar, snow blowers and plow trucks, subway commutes and automobile windshields — actually, before automobiles. Think Snowstorms Are Rough Now? Check Out These Vintage New York Blizzards 2019-01-18T05:00:00Z Juno skims close to Jupiter's surface every 53 days, and with each pass hidden influences inside the planet exert a minute pull on the spacecraft, resulting in tiny Doppler shifts in its radio signals. Missions expose surprising differences in the interiors of Saturn and Jupiter 2019-01-17T05:00:00Z Another major use of ultrasound in medical diagnostics is to detect motion and determine velocity through the Doppler shift of an echo, known as Doppler-shifted ultrasound. College Physics for AP Courses 2015-08-12T00:00:00Z The investigation stems from a Dec. 29 house fire at Larchmont Avenue and Doppler Street, Brady said. A firefighter is accused of threatening to cut off water during a blaze. It was investigated as possible ‘workplace violence.’ 2019-01-10T05:00:00Z The second would be to use the Doppler effect to look for changes in its velocity. Astronomy 2016-10-13T00:00:00Z A federal study should be completed soon about how to adjust the Doppler radar near Minot to improve coverage for the region. Work ongoing to improve warnings after deadly tornado 2018-12-29T05:00:00Z Nilsson and her colleagues, as they report in a study published Tuesday in the journal Biology Letters, tracked birds and insects from 143 Doppler radar stations across the country. Wildlife fled the sky and bees went silent during the 2017 total solar eclipse 2018-11-14T05:00:00Z The magnitude of the Doppler shift in an echo is directly proportional to the velocity of whatever reflects the sound. College Physics for AP Courses 2015-08-12T00:00:00Z On a recent late afternoon, I watched the white unmarked shuttles that transport Amazon employees pull up to Day 1 and Doppler, Amazon’s imposing 37-story office towers. Remember how this downtown Seattle corner looked before Amazon? 2018-11-16T05:00:00Z Such motion can be measured using the Doppler effect and the star’s spectrum. Astronomy 2016-10-13T00:00:00Z He backed up that claim with a limited set of previously published measurements of the distances of galaxies and their velocities, calculated from their Doppler shifts. Move over, Hubble: Discovery of expanding cosmos assigned to little-known Belgian astronomer-priest 2018-10-29T04:00:00Z They bought a baby Doppler and Robbie would hold the monitor on Jenn’s stomach so they could listen to the two hearts beating in tandem. The Child-Abuse Contrarian 2018-09-26T04:00:00Z Because the cells are moving, two Doppler shifts are produced—one for blood as a moving observer, and the other for the reflected sound coming from a moving source. College Physics for AP Courses 2015-08-12T00:00:00Z The Doppler lidar transmits short, powerful pulses of laser light toward Earth in the ultraviolet spectrum. Satellite launched in 'world-first' space mission to map Earth's winds 2018-08-22T04:00:00Z In reality, the Doppler shifts we measure are extremely small and require sophisticated equipment to be detected. Astronomy 2016-10-13T00:00:00Z The satellite is equipped with a Doppler lidar - nicknamed Aladin - that uses pulses of light to detect the movement of tiny particles in the air. New European satellite will measure global wind speeds 2018-08-22T04:00:00Z The satellite is equipped with a Doppler lidar — nicknamed Aladin — that uses pulses of light to detect the movement of tiny particles in the air. New European satellite will measure global wind speeds 2018-08-22T04:00:00Z What is the minimum speed at which a source must travel toward you for you to be able to hear that its frequency is Doppler shifted? College Physics for AP Courses 2015-08-12T00:00:00Z Aeolus will be equipped with an instrument dubbed Aladin, short for Atmospheric Laser Doppler Instrument, that will use a powerful laser, a large telescope and a very sensitive receiver to probe the atmosphere. European wind-tracker satellite to sharpen weather forecasts 2018-08-22T04:00:00Z The first successful use of the Doppler effect to find a planet around another star was in 1995. Astronomy 2016-10-13T00:00:00Z Aeolus is equipped with a so-called Doppler lidar that uses laser pulses to detect the movement of tiny particles in the atmosphere. Launch of wind tracking satellite delayed _ by adverse winds 2018-08-20T04:00:00Z That ‘Doppler shift’ allows scientists to calculate the winds’ speed and direction. World’s first wind-mapping satellite set to launch 2018-08-16T04:00:00Z A Doppler shift in the radar echo can be used to determine the speed of a car or the intensity of a rainstorm. College Physics for AP Courses 2015-08-12T00:00:00Z The second, called the relativistic transverse Doppler effect—predicted by Einstein’s earlier theory of special relativity—is a redshift that occurs when an object is moving tangentially to the line of sight. Star’s black hole encounter puts Einstein’s theory of gravity to the test 2018-07-26T04:00:00Z These planets cause the biggest “wiggles” in the motion of their stars and the biggest Doppler shifts in the spectrum. Astronomy 2016-10-13T00:00:00Z The transit technique and the Doppler velocity technique are complementary. A Trillion Worlds 2018-07-18T04:00:00Z The same Doppler boosting effect also allows the faint light from the early universe to be amplified, aiding detection. Astronomy at the Speed of Light 2018-07-03T04:00:00Z While this cosmological red shift is often called a Doppler shift, it is not—space itself is expanding. College Physics for AP Courses 2015-08-12T00:00:00Z There’s an extreme Doppler shift: you didn’t write the book with a view to later competing with others. What it is like to win the Booker prize, by Margaret Atwood, Hilary Mantel, Peter Carey and more 2018-06-30T04:00:00Z If the same object can be studied by both the Doppler and transit techniques, we can measure both the mass and the size of the exoplanet. Astronomy 2016-10-13T00:00:00Z For many of the small planets found with Kepler, however, it’s difficult to get accurate masses with the Doppler method. A Trillion Worlds 2018-07-18T04:00:00Z Bode has told his father to expect rain Saturday but deferred a more detailed forecast until he checks the Doppler radar in the morning. It's hard to Justify any other horse winning the Preakness 2018-05-18T04:00:00Z American viewers were fully geeking out over the series — undeterred by its smarty-pants leads and references to the Doppler effect and projectile motion. What the remarkable run of 'Big Bang Theory' means for Hollywood — and the show's cast and crew 2018-05-04T04:00:00Z Tiny Doppler shifts in radio broadcasts sent from Earth to receivers on InSight will reveal other details of the martian interior. By listening for quakes on Mars, NASA lander will probe Red Planet’s interior 2018-04-18T04:00:00Z The strongest confirmation happens when ground-based telescopes are also able to detect a Doppler shift with the same period as the transits. Astronomy 2016-10-13T00:00:00Z He and his colleagues looked for Doppler shifts in the spectral lines of the stars' light that would be caused if a planet tugged them back and forth. What is Alpha Centauri hiding? Searches for Earth-like planets ramp up around our nearest stellar neighbor 2018-04-11T04:00:00Z You might ask, in this age of sophisticated Doppler radar and complex computer modeling, why human reports are needed. Madison County storm spotters do what radar images can’t 2018-03-12T04:00:00Z In addition to satellites, the station depends on information from Doppler radar, which Davis called “unmatched in its ability to track weather moving through the area.” Wisconsin forecasters more accurate with improved technology 2018-02-05T05:00:00Z Doppler weather radar shows flashes that indicate meteorites are on the ground northwest of Detroit, Cooke said. Science Says: That Michigan meteor could have been meatier 2018-01-17T05:00:00Z The visible star in this binary system is spectral type O. Measurements of the Doppler shifts of the O star’s spectral lines show that it has an unseen companion. Astronomy 2016-10-13T00:00:00Z The advent of Doppler radar helped forecasters more closely pinpoint storm activity by calculating motion and detecting the intensity of precipitation. Forecaster retires after 39 years with weather service 2018-01-05T05:00:00Z Astronomers then look for tiny oscillating Doppler shifts in these lines over time, caused by planetary tugging. Telescopes around the globe power up their search for Earth-like planets 2018-01-04T05:00:00Z "As the rocket gets higher and higher and accelerates, we see a decrease in the frequency in the infrasound - that's basically a Doppler shift because the source is moving away from us," says Steve. Rocket rumbles give volcanic insights 2017-12-16T05:00:00Z Iess leads Cassini’s radio experiment team, which used tiny Doppler shifts in the spacecraft’s radio signal to determine the mass of objects it orbited. Saturn’s rings are a recent addition to the solar system, Cassini observations show 2017-12-12T05:00:00Z The general principle, now known as the Doppler effect, is illustrated in Figure 5.22. Astronomy 2016-10-13T00:00:00Z Doppler delay radio maps allow planetary scientists to construct both 'images' and eventually 3D models of the better examples. The Strange, Lumpy World of Asteroids 2017-12-03T05:00:00Z All this wobbling affects the radiation these stars emit: The light changes frequency, much the way a sound changes pitch when its source is moving — a phenomenon known as the Doppler Effect. There’s a new planet in the neighborhood — and it looks like a nice place to live 2017-11-15T05:00:00Z Wired notes that Doppler Labs’ closing is surprising. Ambitious augmented reality earbud startup Doppler Labs shuts down 2017-11-01T04:00:00Z As the spacecraft plunged through these orbits, a radio telescope in Argentina, run by the European Space Agency, NASA's partner on the mission, listened for tiny Doppler shifts in Cassini's signal. After a dive into Saturn, Cassini spacecraft melts into history 2017-09-15T04:00:00Z We can see from this illustration that the Doppler effect is produced only by a motion toward or away from the observer, a motion called radial velocity. Astronomy 2016-10-13T00:00:00Z Lease requirements for restaurants in its Doppler Building property stipulate that venues must stay open late on weekdays and on weekends. Amazon’s booming South Lake Union still awaiting its dinner crowd 2017-08-23T04:00:00Z Using this technique, the scientists at La Silla sorted through night after night of observations of the star Ross 128, looking for evidence of a Doppler effect. There’s a new planet in the neighborhood — and it looks like a nice place to live 2017-11-15T05:00:00Z Wired says it received two offers from “hardware giants,” but neither carried enough weight, and Doppler turned them down. Ambitious augmented reality earbud startup Doppler Labs shuts down 2017-11-01T04:00:00Z The globe combines tracking data compiled by GPS and Argos Doppler, electronic tags that send signals to polar-orbiting satellites. This animated globe showing animal migration routes is mesmerizing 2017-08-21T04:00:00Z You may have heard the Doppler effect with sound waves. Astronomy 2016-10-13T00:00:00Z The mayor has two proposed sites: one near the Doppler radar and another near Highway 471. City, National Weather Service at odds over new water tower 2017-08-10T04:00:00Z Assuming a much narrower bandwidth, and manually subtracting the Doppler effect, they recalibrated their signal. The Loyal Engineers Steering NASA’s Voyager Probes Across the Universe 2017-08-03T04:00:00Z The battery-powered earbuds, according to Doppler Labs founder and CEO Noah Kraft, were built to enhance sound in the world around you. Ambitious augmented reality earbud startup Doppler Labs shuts down 2017-11-01T04:00:00Z I hate my alarm clock As a smart alarm clock with Amazon’s Alexa assistant built in, the Sandman Doppler would probably earn my ire by rudely waking me up each morning. An Alexa-enabled alarm clock feels like the perfect nightstand gadget 2017-07-17T04:00:00Z Because the Doppler effect was first used with visible light in astronomy, the terms “ blueshift” and “ redshift” became well established. Astronomy 2016-10-13T00:00:00Z Dr Alison Wright, Vice President of the Royal College of Obstetricians and Gynaecologists, said she "strongly discourages" the use of Dopplers at home. Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z Weather Service meteorologists say Doppler radar showed thunderstorms producing heavy rain across the warned area around 6 p.m. Weather Service: Flash flood warning for Yavapai County 2017-07-11T04:00:00Z And ecologists Daniel Howard and Carrie Hall, of the University of New Hampshire in Durham, are using Doppler lasers to listen in on weta communications. Saving the god of ugly things: New Zealand battles to bring back its rodent-sized insects 2017-06-08T04:00:00Z But by the same token, the Sandman Doppler also seems like it might fix all my other problems and become the perfect bedside gadget. An Alexa-enabled alarm clock feels like the perfect nightstand gadget 2017-07-17T04:00:00Z The greater the motion toward or away from us, the greater the Doppler shift. Astronomy 2016-10-13T00:00:00Z "Women are using Dopplers and being reassured by them, and unfortunately that leads to missed opportunities to save babies who may be in distress," Ms Hudson added. Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z To keep up with higher resolution forecast models, the National Oceanic and Atmospheric Administration has upgraded the Doppler radar on its hurricane hunter aircraft to give scientists a more detailed look at hurricane winds. New hurricane advisories will give deadlines for storm prep 2017-06-01T04:00:00Z As the spacecraft plunges toward the rings in subsequent orbits, a radio telescope in Argentina will be listening for tiny Doppler shifts in Cassini’s signal. In mission's last hurrah, Cassini aims to solve riddle of Saturn's rings 2017-04-13T04:00:00Z Now, the company is back with the Sandman Doppler, which builds on the original Sandman clock with what looks like some genuinely useful smart features. An Alexa-enabled alarm clock feels like the perfect nightstand gadget 2017-07-17T04:00:00Z The Doppler shift is thus not easily detected in a continuous spectrum and cannot be measured accurately in such a spectrum. Astronomy 2016-10-13T00:00:00Z Vicki McNelly, 29, thought she heard the baby moving when she used the Doppler kit but her daughter was stillborn the following day. Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z And just what is the Doppler weather radar and its swirling colors that the TV weather forecasters always show? Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z That motion would, in turn, shorten or stretch the time between pulses from pulsars in different directions, in an effect akin to the Doppler shift. Ripples in spacetime: Science's 2016 Breakthrough of the Year 2016-12-22T05:00:00Z Currently looking for funding on Kickstarter, the Sandman Doppler is the second alarm clock project from Palo Alto Innovation. An Alexa-enabled alarm clock feels like the perfect nightstand gadget 2017-07-17T04:00:00Z The wavelengths of the absorption lines can be measured accurately, however, and their Doppler shift is relatively simple to detect. Astronomy 2016-10-13T00:00:00Z Mrs McNelly, from Mortimer near Reading, is calling for the Doppler devices to be banned. Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z This phenomenon is at the heart of the Doppler weather radar images that the TV forecasters show — the wind circulation within storms. Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z Astronomers monitoring the star detected a periodic increase and decrease in frequency every 11.2 days, caused by Doppler shifts in the light as the unseen planet repeatedly tugged the star toward and away from us. From AI to protein folding: Our breakthrough runners-up 2016-12-22T05:00:00Z Lastly, the Sandman Doppler offers a simple and useful display for the actual “clock” part. An Alexa-enabled alarm clock feels like the perfect nightstand gadget 2017-07-17T04:00:00Z We can measure the new wavelength with our instruments at the telescope, and so we know the difference in wavelength due to Doppler shifting. Astronomy 2016-10-13T00:00:00Z CEO of Kicks Count, Elizabeth Hudson, said Dopplers "create a barrier between the mum and seeking medical help". Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z Sometimes, he says, the stations do a “color enhancement” on those Doppler images. Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z The scientific team, led by Guillem Anglada-Escudé, of Queen Mary University of London, began to suspect the existence of Proxima b after analyzing sixteen years’ worth of Doppler measurements from the European Southern Observatory network. An Exoplanet Too Far 2016-08-24T04:00:00Z Two years later, in 1998, he created a webpage to push for bringing Doppler radar to Washington’s coast. Why Isn’t the U.S. Better at Predicting Extreme Weather? 2016-10-17T04:00:00Z The speed can be calculated using the Doppler shift formula: Astronomy 2016-10-13T00:00:00Z The BBC contacted several Doppler manufacturers, which said their devices should not be used as a substitute for professional medical care. Grieving mum says Doppler device gave 'false reassurance' - BBC News 2017-07-12T04:00:00Z And what the heck do those Doppler radar images mean, anyway? Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z But he wondered about the modified Doppler radar system, called TrackMan, that was starting to be used to measure the trajectory of thrown and batted balls. Can New Technology Bring Baseball’s Data Revolution to Fielding? 2016-09-30T04:00:00Z Doppler can reveal a lot about an approaching storm — the intensity of its rainfall and wind, for instance. Why Isn’t the U.S. Better at Predicting Extreme Weather? 2016-10-17T04:00:00Z From which star will you observe the smallest Doppler shift? Astronomy 2016-10-13T00:00:00Z If Microsoft put a computer on every desk and Apple one into every pocket, Doppler wants to put one “into everyone’s ears”, says Noah Kraft, the firm’s boss. Prick up your ears 2016-09-29T04:00:00Z From those beginnings in researching the echoes you can trace the Doppler weather radar. Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z The researchers found it by studying a “Doppler wobble” in the star’s light caused by the gravitational pull of an orbiting planet. Earth-like Planet Discovered Near Solar System 2016-08-24T04:00:00Z Within a few months, Hayes had tracked down a surplus $4 million Doppler unit from the Air Force. Why Isn’t the U.S. Better at Predicting Extreme Weather? 2016-10-17T04:00:00Z Doppler shifts cause the spectral lines to move back and forth. Astronomy 2016-10-13T00:00:00Z These motions broaden the spectral line through Doppler shifts, or the change in the wavelength of light given off by an object depending on its motion relative to an observer. The Milky Way’s dark twin revealed 2016-07-25T04:00:00Z By the 1990s, the Doppler weather radar was in use and tornado warning lead times had lengthened from about 5 minutes in 1980 to the present 13 minutes. Partly sunny or partly cloudy? The 5 questions the Weather Service hears most 2017-02-04T05:00:00Z Another is what Doppler Labs is calling "adaptive filtering." Doppler Labs' new augmented reality earbuds can also stream audio from your phone 2016-06-28T04:00:00Z The National Weather Service said Doppler radar indicted heavy rain in the area due to thunderstorms. About two dozen trapped in Kentucky cave 2016-05-26T04:00:00Z When a radar beam is reflected from a rotating planet, the motion of one side of the planet’s disk toward us and the other side away from us causes Doppler shifts in the reflected signal. Astronomy 2016-10-13T00:00:00Z That night, a Doppler study showed no life-threatening blood clots. Picking Up an Infection in the Hospital 2016-05-11T04:00:00Z The pitch on Doppler Labs' Here Active Listening is pretty simple: what if you could customize your listening experience — of the entire world? Scene, not heard: tweaking my own sound at Coachella 2016-05-10T04:00:00Z With the ability to stream audio from your phone, Here One becomes a significantly more compelling product than Doppler Labs’ previous earbuds. Doppler Labs' new augmented reality earbuds can also stream audio from your phone 2016-06-28T04:00:00Z He wanted to use satellites to teach his pupils about the Doppler effect, one of his former pupils Michael Sinnett said. Kettering Cosmos: How school children exposed Soviet secret - BBC News 2016-04-15T04:00:00Z This shift is known as the Doppler effect and can be used to measure the radial velocities of distant objects. Astronomy 2016-10-13T00:00:00Z The arterial Doppler is a simple device that is placed on the skin to record the sound of blood as it passes through arteries. The 411 on Diabetic Foot Ulcers 2016-03-25T04:00:00Z Its sponsor, Doppler, was testing ear buds designed to augment live music. Issues, not apps, are the focus at South by Southwest 2016-03-14T04:00:00Z Shortly after gazing at artfully displayed museum materials about U.S. government surveillance — primary-color images of Doppler tracks, documents painting distinctions between "clandestine collection" and "covert action" — the viewer realizes they are being spied on. Filmmaker Laura Poitras turns her anti-Big Brother activism into art with 'Astro Noise' 2016-03-11T05:00:00Z For his Florida hunt Mr. Hankey reconstructed the trajectory of the fireball from the eyewitness reports and then compared it with Doppler radar readings he received from a colleague at NASA. How an Amateur Meteorite Hunter Tracked Down a Fireball 2016-03-10T05:00:00Z A shaking bug and the Doppler Effect explained. Astronomy 2016-10-13T00:00:00Z That’s where one of the region’s main Doppler radars sits at Fort Hood. Volunteers help experts track bad weather in parts of Texas 2016-03-07T05:00:00Z There are two types of redshift: Doppler and cosmological, this is the latter - it’s a logarithmic distance scale based on the expansion of the universe. Week in Geek: A galaxy far, far away edition 2016-03-06T05:00:00Z Last summer, The Verge met up with a company called Doppler Labs. These earbuds let you turn up or tune out the world around you 2016-02-03T05:00:00Z Doppler radar are normally used to measure rain clouds and weather patterns but on occasion they catch a meteor’s path through the sky. How an Amateur Meteorite Hunter Tracked Down a Fireball 2016-03-10T05:00:00Z How many applications of the Doppler effect can your group think of in everyday life? Astronomy 2016-10-13T00:00:00Z The Doppler channel provided the soundtrack to her mornings. Volunteers help experts track bad weather in parts of Texas 2016-03-07T05:00:00Z "It's like the Doppler effect only more so," said Prof Hardcastle. Black hole's twin jets shine bright, somehow - BBC News 2016-02-02T05:00:00Z Elsewhere in the cabin, crew members made sure all the plane’s electronics were running properly and monitored the Doppler radar. Studying the Heart of El Niño, Where Its Weather Begins 2016-02-01T05:00:00Z Doppler also includes a variety of presets that attempt to duplicate the aural atmosphere of famous musical locations around the world. Doppler Labs is shipping its Here earbud processors by the end of 2016 2016-01-05T05:00:00Z What kind of motion for a star does not produce a Doppler effect? Astronomy 2016-10-13T00:00:00Z It's a similar idea to what we saw Doppler Labs develop last year, only in the form of a consumer-ready product meant for more general use. Jabra's new wireless earbuds let you filter specific outside noises 2016-01-05T05:00:00Z “It’s augmented audio reality,” says Doppler Labs CEO Noah Kraft, who initially developed Here for musicians and concertgoers before pivoting to a general audience. The 25 Best Inventions of 2015 2015-11-19T05:00:00Z The distant rumbling of his wheels created a Doppler effect as he shot around a corner in a full roar of skate wheels on pavement. Slamming the cement slopes 2015-10-31T04:00:00Z Based on the Doppler effect, Doppler radar is very similar to the type of radar used in the military to detect incoming planes and missiles. Why Is the Weather So Hard to Predict? 2015-10-07T04:00:00Z If a star is rotating rapidly, there will be a greater spread of Doppler shifts and all its spectral lines should be quite broad. Astronomy 2016-10-13T00:00:00Z During a recent lesson on the Doppler effect, Scarlet slalomed among the legs of students who variously patted her passing head or ignored her. Dogs in classrooms? At these private schools, pets are all over the place. 2015-10-01T04:00:00Z Mr. Doppler declined to say how much Profinium, which is one of the plaintiffs in the Home Depot litigation, lost to fraudulent charges. As Online Data Theft Escalates, Banks Look to Retailers to Bear the Losses 2015-09-28T04:00:00Z Doppler beaming, the process wherein matter moving close to light-speed appears to change in brightness based on its position, explains the quasar’s periodicity. Flickering Quasar May Hold Black Holes on Collision Course 2015-09-22T04:00:00Z However, instead of detecting incoming aircrafts, Doppler radar detects incoming storms. Why Is the Weather So Hard to Predict? 2015-10-07T04:00:00Z Measurements of line shifts produced by the Doppler effect indicate the radial velocity of a star. Astronomy 2016-10-13T00:00:00Z Photons from one end disk will therefore appear Doppler blue-shifted to the laboratory observer and those from the other end will be red-shifted. Was Einstein the First to Invent E = mc 2 ? 2015-08-24T04:00:00Z Doppler radar estimated as much as 2½ inches of rain in parts of eastern Santa Barbara County and nearly 2 inches in northern Ventura County. Monsoonal flow brings thunderstorms to parts of California 2015-07-31T04:00:00Z It includes two stationary and seven mobile radar arrays—Doppler radar dishes welded to the backs of heavy-duty trucks. Chasing Nighttime Thunderstorms, Trying to Crack Their Mysteries 2015-07-29T04:00:00Z Doppler is playing a slow and steady game, and hopefully that funding and cautious pace will help it succeed. Doppler Labs wants to change how you listen to concerts with "hearables" 2015-07-09T04:00:00Z If the spectral lines of both stars are visible in the spectrum of the binary, then the speed of the smaller star with respect to the larger one can be measured from the Doppler shift. Astronomy 2016-10-13T00:00:00Z Basic physics tells us that light emitted from a source moving toward you becomes bluer, and gets redder from a source moving away from you—the famous Doppler shift. Was Einstein the First to Invent E = mc 2 ? 2015-08-24T04:00:00Z Doppler Labs, the maker of wearable hearing technology, announced today that it’s raised $17 million in Series B funding. Audio Wearables Startup Doppler Labs Raises $17 Million 2015-07-07T04:00:00Z And a nurse right away took the Doppler to check for a heartbeat. After a Stillbirth, a Silent Delivery Room 2015-06-22T04:00:00Z Ask Kraft what the goal of Doppler is, and he says, "we want to put a computer, speaker, and mic in everyone's ear." Doppler Labs wants to change how you listen to concerts with "hearables" 2015-07-09T04:00:00Z Since stars don’t show Doppler shifts this large, no one had thought of considering high redshifts to be the cause of the strange spectra. Astronomy 2016-10-13T00:00:00Z A centimeter-per-second velocity shift will leads to a Doppler shift that changes the frequency of visible light by tens of kilohertz, or less than a billionth of the frequency. Using Ultrafast Lasers To Look For Earth-like Worlds 2015-06-18T04:00:00Z The conversations are sprinkled with talk about vibrations per second, friction, tensile strength, absorption, Doppler effect and torque. The keys of life: Lexington piano tuner has perfect pitch 2015-06-07T04:00:00Z Below, check the Kickstarter pitch video, which provides a more detailed explanation about the Here devices and Doppler in general. These High-Tech Earbuds Have an Unexpected Trick 2015-06-04T04:00:00Z The effects certainly work; removing high frequencies in the room we were in de-emphasized the whir of the air conditioning, and adding bass to a roving banjo in the Doppler office beefed up the sound. Doppler Labs wants to change how you listen to concerts with "hearables" 2015-07-09T04:00:00Z In time for this season, that equipment was installed in every major league park — two arrays of cameras along with Doppler radar. Baseball’s Latest Craze? It’s Like Rocket Science 2015-05-04T04:00:00Z Blighter’s approach, based on a radar developed to spot human intruders who are crawling along the ground to evade detection, employs the Doppler effect instead. Copping a ’copter 2015-04-30T04:00:00Z “In part, it also was responsible for the development of Doppler Radar. “Of course we’ve seen a dramatic increase in communication also. Weather alerts have come a long way in 50 years 2015-04-20T04:00:00Z Doppler Labs may be on the verge of eliminating the concept of bad sound mixing at a concert. These High-Tech Earbuds Have an Unexpected Trick 2015-06-04T04:00:00Z “They put the Doppler on my wife’s abdomen, who didn’t look at all pregnant at that point, visibly. And we heard this incredibly strong heartbeat.” The other part of Christie's 'record' on abortion rights 2015-02-27T05:00:00Z That's the Doppler effect — when a wave changes relative to an observer, because the source is moving. Interstellar's fake black holes are helping actual scientific research 2015-02-16T05:00:00Z The Doppler effect means the beam’s frequency rises when it bounces off an approaching object and falls when it returns from a receding one. Copping a ’copter 2015-04-30T04:00:00Z Stay tuned for the developing legal decisions regarding this particular Doppler Effect. Radar Makes All Houses Glass 2015-02-05T05:00:00Z Other than a manufacturer who is clearly trying to skirt trademark laws by calling its men’s toiletry bag a “Doppler” kit, the commonly used term is a Dopp kit, named for its inventor, Charles Doppelt. A little Dopp may do ya 2015-01-30T05:00:00Z Because of the massive quantity of bats flying at once, they often show up on Doppler radar and local television stations jokingly acknowledge that the blip is not rain, its just the bats. In Texas, Preserving a Neighborhood for Bats 2014-11-07T05:00:00Z The device, codenamed Doppler or Project D, was part of Amazon’s first attempt to expand its device portfolio beyond the original Kindle reader. Amazon Unveils a Listening, Talking, Music-Playing Speaker for Your Home 2014-11-06T05:00:00Z The amazing thing was that she didn’t even slow down — she just marched past me, still screaming — her voice fading with the Doppler effect. Every Time I Take My Baby Outside Somebody Yells at Me 2014-10-06T04:00:00Z All pregnant women who attend Prof Nicolaides' NHS clinic at King's College Hospital in London are offered the Doppler scan at 12, 22 and 32 weeks of pregnancy. Scans 'could halve stillbirth rate' 2014-09-29T04:00:00Z Neely’s company built a system he calls Doppler, after the weather radar system. NetAppVoice: We're Drowning In Data (And How To Build A Lifeline) 2014-09-10T04:00:00Z Doppler Spectroscopy, which measures the periodic gravitational pull of an orbiting planet on its parent star, is arguably the surest method of detecting extra-solar planets. Nearby Star 'Alpha Centauri A' May Harbor Rocky Planets; 'Find' Heralds Planet-Hunting Shortcut 2014-08-31T04:00:00Z Using the catheters and Doppler ultrasound technology, they measured the blood flow of the cyclists as they rode a bike to exhaustion in heat. Human Brain Has Coping Mechanism for Dehydration 2014-07-25T04:00:00Z In the hypercompetitive world of local TV news, stations trumpet their branded super Doppler radar, even if they also use the government’s radar. How do local TV stations keep a weather eye on incoming storms? They deploy their radar. He can discuss the uncertainty principal, calculus, the Doppler effect and relativity in an almost nonstop manner. Savage beating transformed Tacoma man into geometry marvel 2014-05-31T04:00:00Z Ascending air produced towering thunderstorms with cloud tops scanned by Doppler radar at heights of 53,000 feet. Flood warnings in Cook, Lake counties, schools closed 2014-05-13T04:00:00Z In principle this could be detected by slight shifts in the wavelengths of light from the star, like the Doppler shift that causes the pitch of an ambulance siren to change as it goes past. | Geoffrey W. Marcy: Finder of New Worlds 2014-05-12T21:37:37Z These observations will need to span many years of careful collection of Doppler shifts. Telescope Apps Help Amateurs Hunt for Exoplanets 2014-04-18T17:00:00Z The researchers used the Doppler Effect, also used in a radar gun. New discovery! Liquid ocean hidden under Saturn moon’s frozen crust 2014-04-03T22:40:00Z This is the famous Doppler effect, which acts to "stretch" or "compress" radio waves emanating from moving objects. Cutting-edge methods in MH370 search 2014-03-24T18:24:55Z Doppler was actually the third feline to feature on the programme. Doctor Who's longest-serving director and Top of the Pops disc spinner 2014-03-04T02:31:36Z One of the coolest is the Doppler on Wheels, or DOW. Will it snow again? Computers, balloons and radar help figure it out the forecast. 2014-02-14T03:08:51Z Their make-it-work program features a network of more than 30 Doppler radar and weather stations that collect data every 10 minutes. Sochi ready whatever the weather 2014-02-04T02:13:00Z Marcy and his colleagues, for example, used radial velocity measurements, observing the Doppler shift in starlight as stars are tugged by the gravity of orbiting planets. ‘Super-Earths’ and ‘mini-Neptunes’ abound among planets outside our solar system 2014-01-06T23:17:00Z Newly-installed Doppler radar stations gave them a much clearer picture than in the past of the storm's size and the force of the winds and the turbulence of the water within. Typhoon Haiyan: How a Catastrophe Unfolded 2013-11-24T18:04:14Z How much did CBS sending its No. 1 broadcast team influence the decision to keep the game in the first time slot no matter what Doppler radar showed? McCown helps Bears regain traction 2013-11-18T03:29:00Z The purpose of the Doppler ultrasound machines is to help diagnose changes in blood flow. Harvard Medical Student's 4-In-1 Blood-Flow-Reading Glove Targets $12 Billion Opportunity 2013-10-18T11:44:00Z It protects sensors, acoustic Dopplers and 10 cameras attached to the observatory to gather second-by-second data. Scientists Deploy Underwater Observatory to Track Warming, Acidification 2013-09-24T16:15:02.427Z And at present, it is well outgunned by searches based on detecting Doppler shifts. Readers Respond to "Quantum Weirdness" 2013-09-21T11:15:00.690Z They are caused by the Doppler effect, a phenomenon familiar on Earth as the change in pitch of a police-car or ambulance siren as the vehicle approaches and then recedes. Dark energy: A problem of cosmic proportions 2013-08-22T15:00:06Z I recall hearing a couple of gunshots fired in the air, followed by a dead silence, and the loud racist and bloodthirsty slogans receding, as if a demonstration of the Doppler effect. India Ink: Thomas Bernhard in New Delhi 2013-07-22T13:05:57Z During Doppler ultrasound, a doctor passes a handheld instrument over the skin above a blood vessel. Harvard Medical Student's 4-In-1 Blood-Flow-Reading Glove Targets $12 Billion Opportunity 2013-10-18T11:44:00Z They are small enough that close-in rocky planets will show up well in the Harps Doppler spectroscopy data, but they are also dim enough that those close-orbiting worlds will not be roasted. Star is crowded by super-Earths 2013-06-25T13:18:25Z Grossman: We rely on data from Doppler radar stations--there are more than 150 in the U.S. This App Predicts the Weather--Down to the Minute 2013-06-26T04:00:00Z They a small enough that close-in rocky planets will show up well in the Harps Doppler spectroscopy data, but they are also dim enough that those close-orbiting worlds will not be roasted. Star is crowded by super-Earths 2013-06-25T13:18:25Z Using wi-fi signals to monitor movements without a sensor or camera, the system is founded on the Doppler effect. With a Wave of Your Hand 2013-06-10T20:10:55Z As the blood cells move, the pitch of their reflected sound waves changes – dubbed the Doppler effect. Harvard Medical Student's 4-In-1 Blood-Flow-Reading Glove Targets $12 Billion Opportunity 2013-10-18T11:44:00Z How did we learn Doppler radar really worked? Dot Earth Blog: How Storm Chasers Have Made Tornado Alley Safer 2013-06-04T14:49:35Z We convert the Doppler data into images and then explore it in the same way a human meteorologist might. This App Predicts the Weather--Down to the Minute 2013-06-26T04:00:00Z But the agency says that a new supercomputer and an updated forecasting model — fed with real-time Doppler radar data collected by aeroplanes that fly through storms — should improve the accuracy of its hurricane tracking. Seven days: 24–30 May 2013 2013-05-29T17:20:20.167Z Ambulances, fire trucks and dozens of marked and unmarked police cars filled Boston’s streets; their sirens formed a pulsing, unrelenting, almost nauseating Doppler sound pattern. Treating the Marathon Casualties: Inside One Boston Emergency Room 2013-04-16T11:05:23Z “I thought to myself: ‘What if we put the Doppler ultrasound on the fingertip of a glove instead of on an IV pole?’ Harvard Medical Student's 4-In-1 Blood-Flow-Reading Glove Targets $12 Billion Opportunity 2013-10-18T11:44:00Z A slight shift in the frequency, because of the Doppler effect, means its speed and direction can be measured too. Low-cost radar: A programme worth watching 2013-03-14T16:06:58Z The light is shifted in frequency because of the Doppler effect, indicating that the light-emitting particles are moving fast. Newly Published Einstein Writings Show the Prehistory of His Debates with Niels Bohr [Guest Blog] 2013-02-21T17:45:00.450Z Doppler weather radar picked up falling meteorites, giving clues to where to look for fragments, Dr. Jenniskens said. Observatory: An Asteroid’s Fast, Fiery Introduction to Earth 2012-12-21T17:34:12Z The California bolide, like its African predecessor, made a well-documented entry—three Doppler radar stations picked up the track of the fireball, pointing the way to meteorite fragments on the ground. California Meteor Broke Speed Record for Atmospheric Entry 2012-12-20T23:45:03.167Z Udry and his colleagues found the putative planet by tracking Doppler shifts in the starlight from Alpha Centauri B—the so-called radial velocity method of planet searching. The Exoplanet Next-Door: Astronomers Discover World in Nearest Star System 2012-10-17T14:15:00.470Z The recent conference I attended at the Lowell Observatory in Flagstaff to celebrate the 100th anniversary of his first measured Doppler shift, was a great opportunity to learn more about him. A Giant In Hubble's Shadow 2012-10-03T14:50:25Z The researchers determined these parameters using Doppler spectroscopy, which measures emitted light to determine how a smaller body exerts gravitational force on a larger body. Body Double: Understanding the Astrophysics of a Newly-Discovered Multi-Planet Binary Star System 2012-09-11T12:45:00.180Z Every store is different, sound waves reflect and overlap on every obstacle, from shelves to walking people, and Doppler effects kick in when users walk with their phones. How Shopkick Built Its Brand By Making Something We Already Do More Rewarding 2012-08-16T21:22:36Z With the Keck II telescope in Hawaii, the astronomers then detected Doppler shifts from different parts of the galaxy's disk, indicating it spins as fast as the Milky Way does. Hubble Spots the Farthest Spiral Galaxy Ever Seen 2012-07-18T18:38:13Z Coupled with the orbital period, the poison gas's Doppler shift reveals that the planet's orbit is tilted 45 to our line of sight and that the world itself weighs six times more than Jupiter . ScienceShot: Weighing an Alien Planet 2012-06-27T19:15:00Z Of these he, assisted by Franz Doppler, scored six for orchestra. Franz Liszt 2012-05-22T15:16:50.923Z Fries uses Doppler weather radar to detect a "rain" of meteoritic particles falling to the ground, permitting rapid location of meteorite fall zones. How to Find a Meteorite in 5 Steps 2012-05-02T15:15:00.223Z The National Weather Service is integrating dual-polarization technology—which is also helpful for monitoring precipitation in hurricanes and blizzards—into all 160 Doppler radars across the nation, expecting to finish by mid-2013. New Technology Allows Better Extreme Weather Forecasts 2012-04-17T11:15:00.213Z Doppler's principle completely accounts for this: the light from the receding companion is giving lines displaced toward the red, while the approaching companion yields lines displaced toward the violet. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z By using telescopes in Chile, the astronomers measured Doppler shifts and thus velocities of gas in the Trifid. The Year in Pictures 2011-12-22T19:11:37Z Astronomers measure how fast a star's surface spins by exploiting the Doppler shift. Giant Stars Bare Their Whirling Hearts 2011-12-07T18:01:00Z The magnitude of that Doppler shift reflected the strength of Lutetia's gravitational pull and therefore its mass. Hard Rock: Asteroid Lutetia May Be an Intact Leftover from Planetary Formation 2011-10-28T21:45:05.277Z Current Doppler radars scan at one elevation angle at a time, with a parabolic dish that is mechanically turned. New Technology Allows Better Extreme Weather Forecasts 2012-04-17T11:15:00.213Z Recent spectroscopic observations of the nebul� applying the principle of Doppler have revealed high velocities of rotation. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z For farmers, that means analyzing “crazy big data,” Mr. Friedberg said, from weather stations, government data feeds, soil moisture models and Doppler radar images. In Clean Tech, Venture Capital Looks for Problem-Solvers 2011-10-26T04:57:29Z "A lot of what we depend on is experience, but we need tools of the industry, such as Doppler radar and good observations" to solve mysteries related to weather, Lombardo says. CSI: Mother Nature--Forensic Meteorology a New Growth Industry as Weather-Related Damage Intensifies 2011-09-12T11:15:05.947Z Airborne Doppler radar is not the only way to get detailed information about the interior of a storm. Intensity of Hurricanes Still Bedevils Scientists 2011-08-29T21:25:11Z Scanning the entire atmosphere during severe weather takes Doppler radar four to six minutes. New Technology Allows Better Extreme Weather Forecasts 2012-04-17T11:15:00.213Z Saturday morning, the NWS Doppler radar indicated a fast-moving thunderstorm near Chicago capable of creating "half dollar sized hail," "damaging winds in excess of 60 mph," "deadly lightning," and "very heavy rain." Storms bring deadly flood to Pittsburgh; tornado hits Wisconsin 2011-08-20T14:25:50Z At the Nürburgring on Sunday, as Lewis Hamilton took the chequered flag, there was a shift in this position, McLaren creating their own Doppler effect, as they sped past. Martin Whitmarsh: McLaren and Ferrari can put brakes on Red Bulls 2011-07-25T23:01:04Z But part of the evolution can be traced to the late 1980s when Doppler radar — a term even the casual viewer knows but perhaps does not understand — became a tool for broadcast meteorologists. As Weather Becomes Big Story, TV Forecasters Play the Hero 2011-07-19T01:50:07Z Since 2007 WeatherTRAK has also analyzed Doppler radar data to approximate the amount of rain that has accumulated on each square kilometer. Smart Irrigation: A Supercomputer Waters the Lawn 2011-07-04T10:15:05.227Z During that storm, dual-polarization radars proved more accurate in detecting precipitation rates, and therefore predicting flooding, than conventional Doppler radars farther north. New Technology Allows Better Extreme Weather Forecasts 2012-04-17T11:15:00.213Z In the late 1990s, however, researchers found a way to identify children who were at risk for stroke using a specialized ultrasound known as transcranial Doppler testing. Reporter's File: Making Sickle Cell Disease a Manageable Illness 2011-06-29T15:18:59Z The high death toll this year is all the more remarkable considering that early warning systems are in place throughout tornado country, made possible by the advent of Doppler radar. The Facts (and Fiction) of Tornadoes 2011-05-25T06:01:11Z Doppler radar arrays offer local snapshots of precipitation and even moving debris. Experts Sifts 'Tens of Thousands of Photos' in Post-Catastrophe Tornado Analysis 2011-05-10T16:05:00Z That included surface observations collected hourly from ground weather stations, ocean buoys and weather balloons around the world, global satellite-imaging data every 15 minutes, and hourly Doppler radar data for the U.S. Smart Irrigation: A Supercomputer Waters the Lawn 2011-07-04T10:15:05.227Z Doppler's Principle, the principle by which the motions of heavenly bodies in the line of sight can be determined spectroscopically. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z These instruments include modified phonographs, geophones – which convert ground movement into sound – and laser Doppler vibrometers, which use focused laser beams to measure substrate wiggles. Stealth percussionists of the animal world 2011-03-22T16:15:00.347Z Rather, Doppler shifts spread them into wide lines surrounding that wavelength. Some supermassive black holes may not be so super after all 2011-02-18T21:45:02.483Z As many as a third move in the opposite direction as their star spins, a fact deduced from the way the periodic dimming of starlight brings out the Doppler shift of the spinning star. Why don't exoplanets match astronomers' expectations? A dispatch from the American Astronomical Society meeting 2011-01-13T19:15:07.747Z But many of the celestial bodies have velocities so much greater than a hundred miles per hour that these may be detected and measured by means of the Doppler principle. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z But after mascot Doppler bowed at their feet, fans chanted "We Want Swin!" and pictures were taken, the honest reality materialized. Storm will attempt to keep team together 2010-09-19T02:40:00Z Now, with a well-equipped lab of his own, Elias has recorded the vibrations of around 60 jumping spider species using a laser Doppler vibrometer. Stealth percussionists of the animal world 2011-03-22T16:15:00.347Z The Doppler effect arises as the material swirls around the disk at thousands of kilometers per second. Some supermassive black holes may not be so super after all 2011-02-18T21:45:02.483Z In combination with data gleaned from Doppler radar, which can measure the speed and structure of precipitation, the meteorologists concluded that the first tornado touched down in Park Slope, Brooklyn, at 5:33 p.m., Tracking Down Answers on a Puzzling Storm 2010-09-18T22:35:00Z Doppler and the Storm Street team plan to roam the lower Queen Anne sites throughout the game. Where to watch Game 3 of WNBA Finals with Storm fans 2010-09-16T01:01:00Z The group, including team staff and mascot Doppler, will meet for a rally breakfast at Majerle's Sports Grill in downtown Phoenix prior to heading over to the game. WNBA president says more playoffs could air on regular cable 2010-09-05T00:40:00Z Doppler radar for weather observations did not exist until the 1970’s so it is likely that additional tornadoes occurred during the 24 year period “Ella” indicated, but were not identified as being tornadoes. Tornadoes in the City: They Hit, but Rarely 2010-07-28T03:54:00Z Doctors must use a Doppler machine to measure and monitor the blood pressure of such patients because it cannot be measured through standard cuffs. Doctor's World: Pump Device Helps Cheney With Steady Pressure 2010-07-19T17:39:00Z Kramer said that labor inductions may be on the rise because doctors are more closely monitoring pregnancies, aided by newer technologies like Doppler ultrasound. Labor inductions may be boosting rate of earlier births 2010-05-31T15:25:00Z “My own Doppler radar,” DeMerit, a central defender with the United States soccer team, said with a laugh. U.S. Defender Has Clear View of World Cup 2010-05-01T19:00:00Z FUN STUFF: Speaking of Doppler, did you see his latest video? WNBA president says more playoffs could air on regular cable 2010-09-05T00:40:00Z Because of the Doppler effect, the frequency of light reflected by ions that are moving towards the laser will be higher than that of light reflected by ions that are moving away from the laser. Measuring small things: The force is weak with this one 2010-04-22T10:36:00Z A midwife is off to one side taking measurements of Marilis Quijada's abdomen and using a Doppler monitor to listen to her baby's heartbeat. Group appointments give patients better access to physicians 2010-03-09T05:00:00Z He says the technology, which uses Doppler radar, is accurate to within one mile per hour and is the best system for clocking sports. Setting a Speed Trap in Vancouver 2010-02-26T02:19:00Z The Buffalo team used Doppler ultrasound to scan the patients in different body postures to view the direction of venous blood flow. 2010-02-10T17:17:00Z The most common is the radial velocity method, in which astronomers study the slight Doppler shift in starlight as the star is tugged to and fro by an orbiting planet. 2010-01-12T05:00:00Z The review assessed a technology called Doppler ultrasound, which measures blood flow through the umbilical cord. 2010-01-27T18:22:00Z But Doppler’s idea that they might be detected by colour-change was entirely illusory. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" It was especially pleasing to his Rothenburg heart that my name was Doppler, and that I knew how to paint the beautiful ruined walls, the wonderful turrets and strange fountains, of the old fortress. A Divided Heart and Other Stories Stark has shown that in many gases, notably hydrogen, the spectrum shows the Doppler effect, and he has been able to calculate in this way the velocity of the positive rays. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" Since all screamers have the same frequency—don't ask me what it is; I'm not a radio man—the velocity of our ship will be indicated by the Doppler Effect. Hanging by a Thread But in the new review, researchers found that across 16 studies of more than 10,000 high-risk pregnancies, Doppler ultrasound testing was linked to a 29 percent reduction in fetal and newborn deaths. 2010-01-27T18:22:00Z And I noticed that the waves of sound were under a slight Doppler effect. Astounding Stories of Super-Science, August 1930 I do not for an instant doubt that you have a charming wife and lovely children, Herr Hans Doppler; and nothing is farther from my thoughts than to render you suspicious of your domestic happiness. A Divided Heart and Other Stories Our proofs of this rotation are still further strengthened by the Doppler spectroscopic method of observation alluded to in Chapter XI. Astronomy of To-day A Popular Introduction in Non-Technical Language Adjust for Doppler—X over Y. We have him on the screens now. Hunters Out of Space However, with Doppler an established technique for monitoring high-risk pregnancies, Alfirevic said it is very unlikely that any future studies will test Doppler against no Doppler -- as most studies in this review did. 2010-01-27T18:22:00Z Sir, Doppler calculations show that the source of those signals is slowing down somewhere to our right. A Matter of Magnitude Having reverentially assisted his newly won patroness to alight, Hans Doppler accompanied her to a carriage of the second class. A Divided Heart and Other Stories The method of detecting binary stars by means of the spectroscope is an application of Doppler's principle. Astronomy of To-day A Popular Introduction in Non-Technical Language Ten seconds later the Doppler measurement became possible. The Aliens One thing that is clear, the researcher stressed, is that Doppler ultrasound is not necessary for women with average, healthy pregnancies. 2010-01-27T18:22:00Z The radio beam swept through, ghostly faint from dispersion, wave length doubled by Doppler effect, ragged with cosmic noise. The Burning Bridge Hans Doppler, suppressing a slight sigh, exerted himself to smile back at his little family; then hurried on his way to the "Golden Stag." A Divided Heart and Other Stories Since we were approaching them at twenty thousand times the speed of light, the Doppler effect gives us what looks like violet light. Islands of Space Doppler's Principle:—As pitch depends upon the frequency at which sound waves strike the ear, an object may emit sound waves at a constant frequency, yet may produce different pitches in ears differently situated. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. "I was completely ignorant of the Doppler shift effect," Costas told me. The Dawn of Amateur Radio in the U.K. and Greece: a personal view The grammar tortured to produce the verbal Doppler shifts essential to disguise the source of the information, its distance from reality, the speed of its degeneration into rigid official versions. After the Rain : how the West lost the East Doppler," he continued, somewhat hesitatingly, "is merely the new version of the name Toppler, and was introduced during the last century in the collateral line to which I belong. A Divided Heart and Other Stories In my humble opinion it would be unjust, and even ungrateful, to exclude from them the likenesses of two composers of high distinction, the late Mosonyi and Franz Doppler. Letters of Franz Liszt -- Volume 2 from Rome to the End Will you go and see F. Doppler and tell him that I very much wish he could arrive with you on the 4th August at latest? Letters of Franz Liszt -- Volume 1 from Paris to Rome: Years of Travel as a Virtuoso As Hans Doppler ascended the narrow, crooked stairs of this historic house, he for the first time found fault with it, although he was discreetly silent. A Divided Heart and Other Stories When Hans Doppler arrived at his house, he found that, instead of delaying dinner, Christel had saved his portion for him. A Divided Heart and Other Stories You err, my lady," he said, "if you believe that Rothenburg would feel any honor about having a Doppler once more among them, or would allow this honor to cost them anything. A Divided Heart and Other Stories Since the performance of the "Gran Mass" Doppler has always shown the kindest feelings towards me. Letters of Franz Liszt -- Volume 2 from Rome to the End Please ask Capellmeister Doppler where these things are to be procured genuine, and send them me as soon as possible to Weymar. Letters of Franz Liszt -- Volume 1 from Paris to Rome: Years of Travel as a Virtuoso About this time Hans Doppler returned to his little wife. A Divided Heart and Other Stories I have begged Franz Doppler in particular to let you know about it, knowing that you would like to hear me praised, even with some exaggeration, by a friend as competent as he is affectionate. Letters of Franz Liszt -- Volume 2 from Rome to the End Hans Doppler sprang out first; then after having assisted the stranger to alight, he bade the host good-evening, and whispered to him to prepare his best chamber. A Divided Heart and Other Stories |
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