News tagged with voltage

Nanogenerator's output triples previous record

(Phys.org)—Taking an important step forward for self-powered systems, researchers have built a nanogenerator with an ultrahigh output voltage of 209 V, which is 3.6 times higher than the previous record ...

Jan 03, 2013 feature
4.7 / 5 (13) 19 | with audio podcast

Graphene battery demonstrated to power an LED

(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...

Mar 16, 2012 report
4.2 / 5 (26) 24 | with audio podcast

Sound waves precisely position nanowires

(Phys.org) —The smaller components become, the more difficult it is to create patterns in an economical and reproducible way, according to an interdisciplinary team of Penn State researchers who, using ...

Jun 19, 2013
5 / 5 (10) 2 | with audio podcast