Sentences with phrase «uses radio waves»

Radar, like lidar, sends out a signal and waits for it to bounce back, but it uses radio waves instead of light.
Once in place, the microchip can be detected immediately with a handheld device that uses radio waves to read the chip.
Microchips can be detected with a handheld device that uses radio waves to read the chip.
MRI uses radio waves and a powerful magnetic field to produce either a detailed three demensional picture or a two - dimensional «slice» of body structures, including tissues, organs, bones and nerves.
Change the Channel As I mentioned before, WiFi uses radio waves to communicate.
MRI uses radio waves to create more detailed images, revealing bleeds, tumors and crude structural damage, but it can not detect broken nerves.
Radar uses radio waves to enable aircraft, ships and ground stations to see far into their surroundings even at night and in bad weather.
«If advanced civilizations do exist elsewhere in our galaxy, we can speculate that they might develop the capability to launch spacecraft over interstellar distances and that these spacecraft may use radio waves to communicate.»
Alas, using radio waves to tap hydrogen and oxygen as a combustible source of energy is inefficient, and scientists have so far been unable to adapt the process for energy production.
Inspired by his own bout of leukemia to try to find a better cancer treatment, retired broadcasting station owner Kanzius guessed that as an alternative to chemotherapy, he could inject tumors with metal ions, then use radio waves to heat the metal and destroy cancerous cells.
Current detection methods just aren't sensitive enough, but a team at the University of Texas, Arlington, report this week in The Astrophysical Journal a method for detecting moons using radio waves.
Philae and Rosetta will work together to scan the comet's interior using radio waves, to reveal whether it is solid or more of a rubble pile inside — a technique that could prove useful for future asteroid miners (see «Asteroid education «-RRB-.
So far, most of the hunt for alien signals has used radio waves, based on the theory that radio is a relatively easy and cheap way to send signals a long way through space.
At the University of Utah, engineer Neal Patwari and doctoral candidate Joey Wilson are using radio waves to see through obstacles.
A story on Phys.org covers a recent invention created in part by a PPPL engineer that pasteurizes eggs using radio waves.
(RAdio Detection And Ranging) method of determining the presence and location of an object using radio waves.
RFID chips work by using radio waves to communicate.
He has used radio waves, inert gases, and even telepathy to question traditional assumptions about art and expand its possibilities.
By using radio waves and its 3D sensor, Vayyar can map where people are within a room.
These smart solutions go beyond the traditional doggy - doors by using radio waves to let your dog in and out.
Transmitted using radio waves, analogue radio — which includes FM and AM — was the default for broadcasts before digital radio came along.

Not exact matches

NASA uses a technique called data sonification to take signals from radio waves, plasma waves, and magnetic fields and convert them into audio tracks to «hear» what's happening in space.
So the Seattle - based startup shifted its focus to a still - developing technology: radio frequency identification (RFID), the use of radio waves, specialized tags, and readers to track the location of objects.
Cohen has worked on an alternative system that would use live data on lightning strikes and the radio waves they emit to build a more resilient navigation system for the military that would be much more difficult to disrupt.
So if we can't see wind, radio waves, etc, that we use daily, how can we doubt the existance of God around us?
He was denied a voice to defend himself even on the air waves of the very radio station where he used to pay the salary of workers, the radio station he armed people to defend in 2008 when the NPP moved against it.
I suspect that a commercialised BBC would be just as biased towards a party whose output in recent weeks has not been worth the pixels or radio waves used to disseminate it.
Three projects known as pulsar timing arrays, in North America, Europe and Australia, are using some of the largest radio telescopes to identify pulsars and look for these waves.
Large space - weather events, such as geomagnetic storms, can alter the incoming radio waves — a distortion that scientists can use to determine the concentration of plasma particles in the upper atmosphere.
Instead of such circuits, an SDR uses digital - signal - processing chips to allow a programmer to define the wave shape of a radio signal, the frequency it uses and the power level.
But just as scientists use radio and gamma - ray telescopes to probe different frequencies of light, physicists are building detectors sensitive to a range of gravity wave frequencies.
The researchers observed FRB 150807 while monitoring a nearby pulsar — a rotating neutron star that emits a beam of radio waves and other electromagnetic radiation — in our galaxy using the Parkes radio telescope in Australia.
MRI uses magnetism and radio waves to measure differences in the water content of tissue, which provides more detail about differences in the composition of breast tissue than do x-rays.
BACKGROUND: In 1971, while contemplating the hamburger he was eating, American chemist Paul Lauterbur had an epiphany about how to use a magnetic field and radio waves to create images of living tissues.
Radio astronomers have used a similar approach for many years, with great success, but light waves are more than a million times smaller than radio waves, meaning optical interferometry requires a million times greater accuRadio astronomers have used a similar approach for many years, with great success, but light waves are more than a million times smaller than radio waves, meaning optical interferometry requires a million times greater accuradio waves, meaning optical interferometry requires a million times greater accuracy.
Because you have to use a radio wavelength that is smaller than the dimensions of the object you are trying to locate, radar relies on high - frequency waves, just a few inches long (higher frequencies have shorter wavelengths).
He obtained an RF generator and, at a visitor's suggestion, tried to use the energy in the radio waves to desalinate water.
Scientists use the apparatus to search for axions converting into radio waves in a strong magnetic field.
IBM and Mediatek plan to ultimately develop ways to wirelessly connect high - definition TVs to set - top boxes using millimeter - wave radio technology, which takes advantage of the highest frequency portion of the radio spectrum where massive amounts of information can be sent quickly.
Using a jet of radio waves, astronomers have begun to map the other side of the Milky Way.
The new system, dubbed radiogenetics, uses a signal, in this case low - frequency radio waves or a magnetic field, to heat or move ferritin particles.
Wi - Gig requires higher radio wave frequencies, though: 60 gigahertz rather than the 2.4 GHz used by Wi - Fi.
The choice to look at insulin production was driven by the equipment they used to generate the radio waves and magnetic fields.
MagMIMO does the same thing, but using magnetic fields instead of radio waves.
This «beam - forming» capability makes the antennas crucial to ultrafast wireless applications, because they can focus a stream of high - frequency radio waves that would quickly dissipate using normal antennas.
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).
Eatough's team realised that the strong bursts of radio waves emitted by the pulsar would be rotated by the black hole's magnetic field, and so could be used to measure the strength of the field.
NMR machine use magnetic fields and radio waves to probe the spins of atoms, and to change their orientation.
Last year astronomers used the telescope at Arecibo, Puerto Rico, to send a beam of radio waves to Titan.
These chips emit radio waves that the researchers can use to track the penguins» movements.
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