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

Electricity is extremely dangerous, but also extremely useful when we can contain it and send it from A to B. It turns out ...

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 ...