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 accu
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 accu
radio 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,» be
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,» be
Radio 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.