News tagged with electric field

Rare atmospheric phenomenon observed

Cameras operated by the Armagh Observatory have recorded one of the very few observations from the UK and Ireland of a very rare atmospheric phenomenon known as a 'sprite'. The detection, which was made around ...

Jul 31, 2013
5 / 5 (2) 0

Surfing on acoustic waves (w/ Video)

(Phys.org) —ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control ...

Jul 16, 2013
4.8 / 5 (19) 3 | with audio podcast

Researchers develop light transistor

TU Vienna has managed to turn the oscillation direction of beams of light – simply by applying an electrical current to a special material. This way, a transistor can be built that functions with light ...

Jul 08, 2013
4.9 / 5 (9) 1 | with audio podcast

Device physics: Simulating electronic smog

A research team from A*STAR and Samsung Electronics has developed a fast and accurate way to estimate the electromagnetic emissions from printed circuit boards that could help designers to ensure that devices ...

Jul 03, 2013
5 / 5 (1) 0

Multiview 3-D photography made simple

Computational photography is the use of clever light-gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.

Jun 19, 2013
4.6 / 5 (10) 0 | with audio podcast

Stellar winds may electrify exoplanets

(Phys.org) —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

Jun 05, 2013
4.5 / 5 (11) 23 | with audio podcast