News tagged with electric charges

Metal surface can repel electric charges

(Phys.org)—Metals are known for being good electrical conductors. Due to this property, a stationary electric point charge placed outside a metal will cause the electrons in the metal to redistribute in ...

Jan 08, 2013 feature
4.4 / 5 (12) 1 | with audio podcast

A billion holes can make a battery

Researchers at the University of Maryland have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage ...

Nov 10, 2014
4.7 / 5 (72) 21