Sentences with phrase «radio beams»

To achieve the high transmission rates, the team took a page from Willner's previous work and twisted radio beams together.

Among the most exotic beasts in the astrophysical zoo are millisecond pulsars, which spin hundreds of times every second while flashing radio beams across the galaxy.

Long thought to be silent, brown dwarfs have emerged in recent years as sources of strong lighthouselike radio beams.

This dead remnant of a star glows red like a hot ember, and is spinning 173 times per second, emitting powerful radio beams that sweep across the sky as it rotates.

The researchers hope to start testing a partially spiralled satellite dish within the next few days, then to use a similar device to transmit a twisted radio beam several hundred metres across the lagoon in Venice three months from now.

«Scientists twist radio beams to send data: Transmissions reach speeds of 32 gigibits per second.»

«For Geminga, we view the bright gamma ray pulses and the edge of the pulsar wind nebula torus, but the radio beams near the jets point off to the sides and remain unseen,» Posselt said.

Random changes in the radio beam of a pulsar orbiting a black hole could be telltale quantum effects, giving us a way to test theories of quantum gravity

As I passed the slower cars and tried to beat the traffic lights, it struck me: I was trying to outrun a radio beam, heading Earthward at the speed of light.

Engineers on Earth will continuously track a radio beam emitted by MRO and monitor its Doppler shift — the elongation or compression of radio waves caused by slight movements of the probe.

An artist's illustration of a light - sail powered by a radio beam (red) generated on the surface of a planet.

«We think it's quite possible that the radio beam is narrower than the gamma - ray emission, but we don't yet know how gamma rays are produced in the pulsar,» says Fermi project scientist Steve Ritz of NASA's Goddard Space Flight Center in Greenbelt, Maryland.

They passed each beam — which carried its own independent stream of data — through a «spiral phase plate» that twisted each radio beam into a unique and orthogonal DNA - like helical shape.

By analyzing the radio beams, researchers can probe the wild things that

PULSAR PAIR A system of two radio beam — emitting pulsars locked in tight orbits, illustrated here, is an ideal test bed for measuring gravitational waves and other effects of general relativity.

This neutron star is spinning fast and, like a cosmic lighthouse, gives off radio beams that sweep around as the star rotates, appearing to us as regular pulses.

That is the claim being made by a group of scientists in Italy and Sweden, who have shown how a radio beam can be twisted, and the resulting vortex detected with distant antennas.

Taco Visser, an electrical engineer at Delft University of Technology in the Netherlands, thinks that twisted radio beams would «certainly increase capacity» in telecommunication channels.