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, they split ...

In the study electric spark of 4 cm was guided around an obstacle using ultrasonic fields. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

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