And this spark eventually lit the way to the modern, electrified world of today. Edison patented the incandescent light bulb 145 years ago, on January 27, 1880. Edison didn't come up with the idea of ...

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines.

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space ...

Researchers from Spain, Finland and Canada have shown for the first time that electric sparks can be guided using ultrasonic waves. Electric sparks are used for welding, powering electronics, killing ...