Sentences with phrase «by radio signal»

When activated by radio signal, the chip sends back data about its identity.

Its time was set by a radio signal that we would never have dreamed of inventing were it not for James Clerk Maxwell's four equations of electromagnetism.

Not exact matches

In 1925, Houdina Radio Control navigated a driverless 1926 Chandler down traffic - filled Manhattan by operating it with radio signals from a car following beRadio Control navigated a driverless 1926 Chandler down traffic - filled Manhattan by operating it with radio signals from a car following beradio signals from a car following behind.

Homes and businesses typically use a router, or some other base station device allowing this mobility by accessing radio signals through the airwaves.

«We have a Signal 7 in Room 229,» Hollywood Fire Rescue units said of 92 - year - old Miguel Antonio Franco, using their code for a deceased person, according to emergency radio calls provided by the audio streaming website Broadcastify.

The researchers speculate that such a bright signal could be produced by a radio beacon built by an intelligent civilisation able to harness all the star's energy.

With present techniques, teleportation is conceivable only with elementary particles, or theoretically, by encoding information about an object, transmitting the information to another place, such as by radio or electric signal, and creating a copy of the original object in the new location.

«The gradual brightening of the radio signal indicates we are seeing a wide - angle outflow of material, traveling at speeds comparable to the speed of light, from the neutron star merger,» said Kunal Mooley, now a National Radio Astronomy Observatory (NRAO) Jansky Postdoctoral Fellow hosted by Calradio signal indicates we are seeing a wide - angle outflow of material, traveling at speeds comparable to the speed of light, from the neutron star merger,» said Kunal Mooley, now a National Radio Astronomy Observatory (NRAO) Jansky Postdoctoral Fellow hosted by CalRadio Astronomy Observatory (NRAO) Jansky Postdoctoral Fellow hosted by Caltech.

When radio arrived at the end of the 19th century, few thought that «wireless» communications, in which intangible signals could be sent through the air over long distances, would be competitive in a world dominated by the telegraph and telephone.

The sudden slowdown should be accompanied by a distinctive pattern of radio signals and particle flows, but detecting it was no simple matter.

Judging from aerial surveys, sporadic reports by hunters and ranchers, and signals from the few animals wearing radio collars, state wildlife biologists think there are now more than 500 wolves here.

Underwritten by a $ 26 million donation by Microsoft cofounder Paul Allen, the array currently consists of 42 dishes, each 20 feet in diameter, which can be used to listen for signals from several stars in many different radio bands simultaneously.

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.

For astronomers who observe the universe through radio waves generated by stars and galaxies, interference from an Earth - based source can easily drown out any far - off signal.

The Voyagers are now so far away that the signals from their 23 - watt radio transmitters, powered by a radioactive generator, take more than 12 hours to reach Earth.

A constellation of more than two dozen GPS satellites broadcasts precise timing signals by radio to electronic GPS receivers which allow them to accurately determine their location (longitude, latitude, and altitude) in real time.

Originally developed by the US government for military navigation, satellite navigation systems are now widely used by anyone with a GNSS device, such as an in - car SatNav, mobile phone or handheld navigation unit, which can receive the radio signals that the satellites broadcast.

An international research project led by Kazuyuki Takeda of Kyoto University and Koji Usami of the University of Tokyo has developed a new method of light detection for nuclear magnetic resonance — NMR — by up - converting NMR radio - frequency signals into optical signals.

Known as a passive communications satellite because it carried no electronics but rather acted as a giant signal reflector, it was used by Bell Labs engineers to successfully bounce telephone, radio and television signals off it.

The Chinese successfully tested a ground - launched satellite interceptor earlier this year, and prior to the 2003 invasion of Iraq, Iraqi forces tried to jam signals from U.S. navigation satellites by transmitting radio noise in an attempt to overwhelm GPS receivers.

An international team of scientists has pushed the limits of radio astronomy to detect a faint signal emitted by hydrogen gas in a galaxy more than five billion light years away — almost double the previous record.

By measuring the radio - signal strength from all the transceivers while Wilson walked around inside the array, the system could calculate his location with an accuracy of about 1 meter.

I borrowed one that could detect signals from 100 kilohertz (kHz), just below the frequency of long - wave radio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beradio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beRadio Ways,» below).

Using the world's largest radio telescope, two astronomers from Swinburne University of Technology in Australia have detected the faint signal emitted by atomic hydrogen gas in galaxies three billion light years from Earth, breaking the previous record distance by 500 million light years.

Most SETI researchers look for signals sent by sentient beings in radio waves, because these waves traverse galaxies without interference from gas and dust.

«The signals are not only weak, but they appear at radio frequencies that are used by communication devices and radars, which generate signals billions of times stronger than the cosmic ones that we are trying to detect.»

«Not only did we detect radio signals emitted by distant galaxies when the Universe was three billion years younger, but their gas reservoirs turned out to be unexpectedly large, about 10 times larger than the mass of hydrogen in our Milky Way.

The concept behind that experiment was beautifully simple: Beam a signal to Cassini, which would record subtle radio distortion caused by winds blowing around Titan.

The six - legged biomechanical hybrid can rise, hover, and fly on command, guided by a radio receiver that relays signals to electrodes connected to the insect's optic lobes and flight muscles.

To receive speech, it converts encoded radio signals into sound vibrations that that are picked up by the phone's speaker.

Teams in the United States, Europe, and Australia hope to see a signal within 2 or 3 years — although the U.S. effort is threatened by plans at the National Science Foundation to defund the two radio telescopes it uses.

Mysterious radio signals detected by the Parkes telescope appear to come from an advanced civilization in the Milky Way.

SNATCHING SIGNALS Most of the fast radio bursts seen to date have been recorded by the Parkes Radio Telescope in New South Wales, Austrradio bursts seen to date have been recorded by the Parkes Radio Telescope in New South Wales, AustrRadio Telescope in New South Wales, Australia.

The battery - free phone prototype can operate on power gathered from ambient radio signals transmitted by a base station up to 31 feet away.

RIDDLE ME THIS In 2015, scientists discovered that some of the mysterious radio signals detected by the Parkes telescope, in Australia, originate on Earth.

15 To communicate over long distances, NATO and the National Weather Service still bounce radio signals off the ionized trails left by meteors when they enter Earth's atmosphere.

By precisely measuring the orbital movements of MESSENGER using the subtle Doppler frequency shifts of its radio signal, geodesist David Smith of the Massachusetts Institute of Technology in Cambridge and 16 colleagues measured how the pull of gravity varies across Mercury, as the team reports online today in Science.

It packed as much energy in its mere 5 - millisecond duration as the sun puts out in a month, making it by far the strongest, quickest signal radio astronomers have observed, although it wasn't nearly as powerful as the elusive gamma ray bursts that populate the universe.

Using radio telescopes in Spain, France, and Australia, a team headed by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecradio telescopes in Spain, France, and Australia, a team headed by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecRadio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecules.

A gps receiver determines the distance from a satellite by measuring how long it takes a radio signal to reach it.

And by tracking the radio signal for the next 6 months or so, scientists think they can characterize the martian core.

They found these molecules not with optical telescopes but by tuning in with exquisitely sensitive antenna dishes that can receive the extremely faint radio signals generated by molecular clouds.

Up until now, the search for extraterrestrial intelligence, or SETI, has primarily involved listening for radio signals deliberately or inadvertently sent by alien cultures into space.

For years scientists scratched their heads over the «Pioneer anomaly»: Radio signals from the twin spacecraft, which are no longer in contact with Earth, showed they were decelerating more rapidly than could be explained solely by the pull of the sun or other known physical effects.

Although no one knew it yet, Guglielmo Marconi had ushered in the era of wireless communications by demonstrating that signals could be carried on radio waves.

«In addition, they can be used by adversaries to jam our radio frequency signals and to support their information operations.

When a reader unit emits radio waves, every tag in the area responds by retransmitting the signal with a superimposed identification code.

The new system transmits messages by reflecting and encoding audio and data in these signals that are ubiquitous in urban environments, without affecting the original radio transmissions.

If a pair of pulsars are orbited by very dense objects once every few minutes, that might explain a strange repeating pattern interrupting the stars» radio signals.

A radio antenna then picks up very weak signals emitted by the electrons, which can be used to map the electrons» precise activity over several milliseconds.