Sentences with phrase «own radio pulse»

The tag transmits a radio pulse that can be picked up at least 20 kilometres away — much further than existing tags can signal — and crucially, it needs no batteries to work.

But the transmitter pinged an hourly signal to an Inmarsat satellite and those radio pulses were used to work out a rough flight path for the missing plane.

Such tags, costing just a few cents, carry a small, non-powered chip that, when hit by radio waves from a nearby «reader,» converts some of the radio energy into its own radio pulse in return.

Pulsar timing arrays (PTAs) monitor the arrival times of radio pulses from numerous pulsars to search for shifts caused by passing long - wavelength gravitational waves.

True, astronomers still don't know the origins of these extragalactic milliseconds - long radio pulses, and until this year fewer than 20 had ever been detected.

To add one plus one, the physicists used two of the carbon atoms and zapped them with a series of radio pulses.

Understanding the two phenomena, which are both produced by interactions between charged particles and the planet's magnetic field, may help to explain the variations in the timing of the radio pulses and to shed light on Saturn's geomagnetic workings.

These after - death planets can be detected because their gravitational pull alters the times of arrival of radio pulses from the neutron star, or «pulsar», that otherwise pass us by extremely regularly.

If orientated properly, a hot spot above the magnetic pole of the neutron star may whirl in and out of view for observers on Earth, producing a regular train of radio pulses separated by anything from a few milliseconds to a few seconds.

Paul Marks reports on the European SAVELEC consortium's system to disable the cars of uncooperative drivers by firing radio pulses...

When those relativistic electrons collided with air molecules, they generated gamma rays and lower energy electrons that were the main electric current carrier that produced the strong radio pulse before the visible lightning.

These rapidly spinning neutron stars flash regular radio pulses, and in an upcoming issue of The Astrophysical Journal astronomers say that the timing of such pulses could provide a new understanding of the 4 million solar mass black hole at the center of the Milky Way.

But he was not feeling so affectionate back then as he attempted to explain the peculiarly irregular timing of radio pulses from this city - size star: «It was really a lot of pain because the pulsar didn't want to fit any standard models.

«This was particularly intriguing because radio pulses don't come from an X-ray binary and the X-ray source has to be long gone before radio signals can emerge.»

Pulsars, aka spinning neutron stars, normally emit radio pulses like clockwork.

The more waves we grab, the easier it is to catch all of the superfast on and off radio pulses of a pulsar.

The Green Bank Telescope (GBT) has been used to detect 15 brief but powerful radio pulses emanating from FRB 121102.

That means if an FRB is detected by any of the world's radio telescopes, Vandenbroucke and his team can analyze IceCube data for that region of the sky at the time the radio pulse was detected.

But the antenna's detection of the first FRB — and the subsequent confirmed discovery of nearly two dozen more powerful radio pulses across the sky by Parkes and other radio telsescopes — has sent astrophysicists scurrying to find more of the objects and to explain them.

The radio pulses followed a numerical pattern, encoding a sort of «introduction to Earthlings» for aliens.

Pulsars are compact, rotating neutron stars that act like cosmic lighthouses and emit regular radio pulses whose periods can be measured very precisely.

An initial RRAT detection may be nothing more than a single radio pulse.

Natalia's research is focused on the study of giant radio pulses.

Some neutron stars, like the one in the Crab Nebula supernova remnant, are called pulsars because astronomers detect regular radio pulses coming from them.

A radar antenna sends out a short radio pulse and then waits for it to echo off an airplane or other target.

The radio pulse FRB 150807 The colour shows the frequency of the waves, which is like the colour of light.

The key is identified via one of several antennas in the car's bodywork and a radio pulse generator in the key housing.

Not exact matches

In fact, Jesse McKinley from The New York Times has been on my case since I revealed to him and his colleague Vivian Yee at a generously - served dinner that my four Pandora radio stations are Michael Jackson, Big Daddy Kane, Steel Pulse and Traffic.

Like a burst transmission of radio waves his entreaties shot out en masse, with Dietl pulsing with energy as he quickly accelerated to top take - de Blasio - out speed.

Romine says pulses of radio energy emanated by the smart meters damage the human body.

The shapes of observed radio and gamma - ray pulses are often quite different and some of the objects show only one type of pulse or the other.

Katelin Schutz, a theorist at the University of California, Berkeley, says that clarity could come even faster from stellar beacons called millisecond pulsars, which emit exquisitely regular pulses of radio waves.

With further refinements, he found a way for ships to talk to each other using Morse code — the quintessential pulsed signal — and in 1896, just 21, he traveled to England and set up a radio company, British Marconi.

Last week, a scientific paper suggested that the powerful, milliseconds - long pulses of radio waves from space result when superdense burnt - out stars called neutron stars collide and perish in remote galaxies.

In 1974, astronomers Russell Hulse and Joseph Taylor detected a binary pulsar, a pair of two dead stars emitting pulses of radio waves.

The nebula contains a pulsar in its centre which rotates thirty times per second, emitting pulses of radiation from gamma rays to radio waves.

Astronomers see them as steady pulses of radio energy.

We need to widen the way we listen for broadcasts from alien civilisations — looking for short pulses packed with information as well as simpler radio signals

«The new piece here is that the UV aurora has not been observed to pulse in the way the radio emissions do,» Clarke says.

Like turning the knob on a radio, the team adjusted the pulse so that, if the artificial horizon emitted any Hawking radiation, its wavelength would be between 800 and 900 nanometers, a range that could not be confused with other sources such as laser - induced fluorescence.

When a radio - frequency electric pulse is applied to one end of such a tube (Anderson and Alexeff use fluorescent lamps), the energy from the pulse ionizes the gas inside to produce a plasma.

A small antenna flips up to stand proud of the watch face, and transmits pulses of radio energy.

These rapidly spinning neutron stars (the cores left behind after a massive star explodes) send out steady pulses of radio waves.

As radio telescopes turned a hopeful ear to the stars and optical telescopes kept their eyes peeled for an illuminated alien pulse, a cavalry of citizens armed with personal computers sorted through jumbles of data.

«We could use the individual FRB pulses of different brightnesses and durations to learn about the size and shape of asteroids in a belt around a star in another galaxy,» says Emily Petroff at the Netherlands Institute for Radio Astronomy.

Until recently, we had seen fewer than 20 of these milliseconds - long pulses of radio waves, and they have been attributed to everything from quasars to aliens.

Your process of elimination is fascinating: You initially considered that the pulse could be a satellite, radio interference, a signal bouncing off a corrugated steel building?

Fast radio bursts are brief, bright pulses of radio emission from distant but so far unknown sources, and FRB 121102 is the only one known to repeat: more than 200 high - energy bursts have been observed coming from this source, which is located in a dwarf galaxy about 3 billion light years from Earth.

For years, scientists have been puzzled by the pulsing intensity of radio emissions from the ringed planet.

Starting with an ensemble of spin - down nuclei, the researchers used a specially tuned radio - frequency pulse to make a sort of logic gate: if the electron's spin is down, the nucleus remains unaffected; if the electron's spin is up, the nuclear spin is flipped up as well.