News tagged with voltage

Lightning really does make mushrooms multiply

(PhysOrg.com) -- Japanese farming folklore has it that lightning makes mushrooms multiply, and new research supports the idea. Mushrooms form a staple part of the diet in Japan, and the fungi are in such high ...

Apr 13, 2010 report
4.6 / 5 (30) 11 | 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

Electrical circuit runs entirely off power in trees

You've heard about flower power. What about tree power? It turns out that it's there, in small but measurable quantities. There's enough power in trees for University of Washington researchers to run an electronic ...

Sep 08, 2009
3.7 / 5 (23) 15 | with audio podcast