Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To the uninitiated, electricity might seem like a sort of hidden ...

Shini explores electric current, voltaic cells, and how we get electric charge. Electric current works like a river... kinda... Instead of flowing based on elevation ...

Electric current comes in many forms: current in a wire, flow of ions between the plates of a battery and between plates during electrolysis, as arcs, sparks, and so on. However, here on Hackaday we ...

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 ...

This story is part of a special series that explores energy issues. For more, visit The Great Energy Challenge. The steady roll of the Mississippi River, inspiration for so many great American songs ...