News tagged with electromagnetism

Hubble traps galactic fireflies

(Phys.org)—Luminous galaxies glow like fireflies on a dark night in this image snapped by the NASA/ESA Hubble Space Telescope. The upper central galaxy in this image is a gigantic elliptical galaxy designated ...

Nov 18, 2012
5 / 5 (6) 7 | with audio podcast

Silver nanocubes make super light absorbers

Microscopic metallic cubes could unleash the enormous potential of metamaterials to absorb light, leading to more efficient and cost-effective large-area absorbers for sensors or solar cells, Duke University ...

Dec 06, 2012
not rated yet 0 | with audio podcast

Explosive origins for cosmic dust

(Phys.org)—The European Space Agency's Herschel Space Observatory has produced an intricate view of the remains of a star that died in a stellar explosion a millennium ago. This new view provides further ...

Dec 18, 2012
4.7 / 5 (3) 1 | 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

A new generation of storage—ring

A bright synchrotron source that emits over a wide part of the electromagnetic spectrum from the infrared to hard X-rays is currently being built in Lund, Sweden. The MAX IV facility presents a range of technical ...

Oct 31, 2014
4.2 / 5 (5) 1

Reinterpreting dark matter

Tom Broadhurst, an Ikerbasque researcher at the University of the Basque Country (UPV/EHU), has participated alongside scientists of the National Taiwan University in a piece of research that explores cold ...

Jul 02, 2014
4.3 / 5 (25) 18