News tagged with radio waves

Near error-free wireless detection made possible

(Phys.org) —A new long-range wireless tag detection system, with potential applications in health care, environmental protection and goods tracking, can pinpoint items with near 100 per cent accuracy over ...

Jan 23, 2014
5 / 5 (10) 4 | with audio podcast

Black hole trio holds promise for gravity wave hunt

The discovery of three closely orbiting supermassive black holes in a galaxy more than four billion light years away could help astronomers in the search for gravitational waves: the 'ripples in spacetime' ...

Jun 25, 2014
4.8 / 5 (23) 6

Pasta-shaped radio waves beamed across Venice

A group of Italian and Swedish researchers appears to have solved the problem of radio congestion by cleverly twisting radio waves into the shape of fusilli pasta, allowing a potentially infinite number of channels to be ...

Mar 02, 2012
4.8 / 5 (37) 53 | with audio podcast

US village is cell phone free and loving it

In this rural speck of hyper-connected America, it's easier to hear a cow moo than a cell phone ring. That's because Green Bank is home to the world's most sensitive radio telescope, a device that catches the birth and death ...

Nov 13, 2014
4 / 5 (7) 0

Radio-burst discovery deepens astrophysics mystery

The discovery of a split-second burst of radio waves by scientists using the Arecibo radio telescope in Puerto Rico provides important new evidence of mysterious pulses that appear to come from deep in outer ...

Jul 10, 2014
4.8 / 5 (58) 10

X-rays discovered from young supernova remnant

(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection ...

Jul 31, 2012
4.3 / 5 (6) 0 | with audio podcast