News tagged with electrical field

In with antennas, out with cables

An eyesore and a tripping hazard in one: cable clutter is a real nuisance. Now a new kind of antenna is set to banish the pest, hidden in tables and supplying electronic devices with power. The "tables" can ...

Aug 02, 2013 5 / 5 (1) 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