Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating ...

Steve Spangler has experiments you can do at home, all based on the science of electricity.

Bits of material levitating against gravity, a stream of water deflected by invisible means, sparks of light appearing out of thin air; with observations like those, it’s a wonder that the early ...

In controlled experiments, engineers have shown that electricity can be transmitted through the air using highly controlled electromagnetic fields and resonant coupling techniques.

A utility sends phone alerts when wind power is cheap. A builder sells “zero bill” houses. They’re among several experiments to redefine how people value electricity. By Somini Sengupta Photographs ...