Sentences with phrase «frequency radio waves»

Lower - frequency radio waves travel further and penetrate objects better, which in the real world means superior coverage in rural areas and inside buildings — everywhere that Verizon's network, thanks to a wealth of low - band spectrum, currently excels.

The disruptions result from a deluge of dumped charged particles temporarily changing the ionosphere from a «mirror» that bounces high frequency radio waves around the planet to a «sponge» that soaks them up,» Dr Rodger says.

``... being considered by the US Air Force and the US Defense Advanced Research Projects Agency,... using very low frequency radio waves to flush particles from [the Van Allen radiation] belts and dump them into the upper atmosphere over either one or several days.

The chip identification number is stored in a tiny transponder that can be read through the dog's skin by a scanner emitting low - frequency radio waves.

When a scanner is passed over the microchip low frequency radio waves created by the scanner activate the microchip, allowing the unique number to be read.

When a scanner is passed over the microchip, low - frequency radio waves created by the scanner activate the microchip, allowing the unique number to be read and information to be obtained by shelter or veterinary staff.

Today's options include sclerotherapy (injections of a solution that cause the problem vein to scar, forcing blood into healthier veins), endothermal ablation (a technique that uses a laser or high - frequency radio waves to seal off the vein), microphlebectomy (a minimally invasive surgery), or compression stockings, which can ease discomfort and are often used in conjunction with other treatments.

``... being considered by the US Air Force and the US Defense Advanced Research Projects Agency,... using very low frequency radio waves to flush particles from [the Van Allen radiation] belts and dump them into the upper atmosphere over either one or several days.

What they needed was a small but powerful instrument that could greatly amplify high - frequency radio waves — those into the microwave range — so they could bounce them...

Their analysis reveals that linear, stochastic scattering by intense, natural very low - frequency radio waves — known as chorus waves — in Earth's upper atmosphere can account for the observed relativistic electron build - up.

For example, three years ago London - based Metabometrix demonstrated that high - frequency radio waves bounced off a blood sample could identify atherosclerosis.

Steward Observatory This aluminum dish, built atop an Army tank turret, gathers high - frequency radio waves.

The organic chips, commonly inserted under the skin of cats and dogs in lieu of identification collars, can be made cheaply but can only process low - frequency radio waves, giving them distance limitations.

Defense contractor Lockheed Martin will soon flight - test a plasma antenna (encased in a tough, nonconducting polymer) that is designed to be immune from detection by radar even as it transmits and receives low - frequency 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.

At a high enough electron density, each cloud reflects high - frequency radio waves like a mirror.

Existing directional antennas that transmit high - frequency radio waves require expensive materials or precise manufacturing.

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.

Parts of the string then emit low - frequency radio waves that accelerate the surrounding plasma into generating a burst of gamma rays.

Understanding this instability is key to some experimental nuclear fusion reactions but it has never been observed for high - frequency radio waves.

If the pet has one, it will transmit its ID number to the scanner via a low - frequency radio wave.

Not exact matches

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.

Researchers also had to build in a system to pull energy from incoming radio frequency waves to power the device enough to collect and transmit one glucose reading per second.

Financial News reports that Vigilant Global, a telecoms company owned by high - frequency trading firm DRW Trading, has submitted plans to build a 320 - metre tall tower to allow what it calls «a new communications point between the UK and Europe» which will have a «completely unobstructed» line of sight both optically, and for radio waves.

Say hello to the next wave — radio frequency cooking.

According to scientists speaking to Forbes in 2015, there's no plausible way for radio frequency (RF) waves to cause cancer «without re-writing the laws of physics and biology.»

Like the tuner on a radio, different detectors (bottom row) pick up different frequencies of gravitational waves.

At the center of the controversy are two blobs about 450 light - years apart that emit radio waves — light at the low - frequency end of the electromagnetic spectrum.

The bubbles can be fashioned by applying radio waves of the right frequency to a BEC, Lundblad explains, and at first, researchers hope to simply jiggle the bubbles and see how they react.

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.

(In this case, a peak in the audio wave is represented by an increase in the frequency of the radio wave, while a trough is represented as a decrease in frequency.)

The number of wave crests arriving from Fast Radio Bursts per second — their «frequency» — is in the same range as that of radio sigRadio Bursts per second — their «frequency» — is in the same range as that of radio sigradio signals.

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).

If you provide energy in the form of radio waves, these tiny magnets can switch orientation and give off a resonance frequency that changes predictably based on the strength of the magnetic field.

Instruments that pick up other frequencies of the electromagnetic spectrum — radio waves or X rays, for instance — also can not detect the shadow universe.

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.

To determine the final temperature distribution, a series of measurements is performed where the ensemble is irradiated with radio waves of a different frequency each time.

In the process, they would produce radio waves at a frequency that depends on the axion's mass, which is unknown.

Then Eric Grashorn of Ohio State University in Columbus and colleagues noted that some of these radio waves had a similar pattern in their distribution of frequencies.

Wi - Gig requires higher radio wave frequencies, though: 60 gigahertz rather than the 2.4 GHz used by Wi - Fi.

The signal — a dip in the intensity of radio waves across certain frequencies — was more than twice as strong as expected.

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).

Molecules in the intervening gas clouds absorb radio waves at specific frequencies determined by the type of molecules.

Just a few days later, on Sept. 5, members of the Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) team made an audio recording of radio waves in the belts, at a frequency audible to humans, known as «chorus.»

Traditional accelerators, like the Large Hadron Collider where the Higgs boson was recently discovered, rely on high - power radio - frequency waves to energize electrons.

The waves in the magnetic field used by the HST researchers have the same frequency range as radio waves (between 350 and 400 kilohertz).

Three perytons in January coincided with independently detected blasts of 2.4 gigahertz radio waves — the same frequency

Just as the quartz crystal in a Swiss watch keeps time by vibrating at a steady frequency (about 32,000 cycles per second), the maser coaxes a supply of specially selected hydrogen atoms to emit radio waves at an unwavering 1.42 billion cycles per second.

Previous observations had suggested that very - low - frequency (VLF) radio waves (from 5 to 25 kilohertz) transmitted on Earth were helping to clear particles from the inner belt.