"From the cockpit, I was in awe as I watched as cutting-edge RAF warplanes emerged from the Nevada horizon, all while taking ...

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

Researchers from Spain, Finland and Canada have shown for the first time that electric sparks can be guided using ultrasonic waves. In the study ...

This article KS Uplabdh Gopal, associate fellow, Health Initiative, Observer Research Foundation (ORF) New Delhi ...