News tagged with electrical current

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Harvesting energy from devices

If there's one thing nearly all modern technology has in common, it's heat. Whether it's your car, computer, television, or even refrigerator, they all generate large amounts of heat. And nearly all of it ...

Jul 04, 2014 4.1 / 5 (12) 0

Light tsunami in a superconductor

Superconductors are materials which conduct electric currents without any resistance. At the Helmholtz-Zentrum Dresden-Rossendorf, an international research team headed by Professor Andrea Cavalleri from ...

Apr 03, 2013 5 / 5 (7) 2 | with audio podcast

Push-Button Logic on the Nanoscale

(PhysOrg.com) -- Circuits that can perform logic operations at the push of a button are a dime-a-dozen these days, but a breakthrough by researchers in the USA has meant they can be smaller and simpler than ...

Aug 05, 2010 5 / 5 (10) 3 | 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