A research team has discovered a new way to control tiny magnetic properties inside materials using electric current, which ...

Inductors control electric current by using magnetic fields to resist sudden changes. This video explains how a simple coil ...

What do you do with 400 lead-acid car batteries? Wire them together and zap things with their combined current, obviously.

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...

After a year of trial and error, Liyang Chen had managed to whittle down a metallic wire into a microscopic strand half the width of an E.coli bacterium — just thin enough to allow a trickle of ...