The compact aperture for the demo allowed very little laser light to escape, DARPA says. Credit: DARPA DARPA is claiming a power-beaming distance record after transmitting energy using a laser over ...

DARPA envisions aerial relays in a future energy web network flying at 60,000 ft. Credit: DARPA concept "Logistics wins wars" is a timeless maxim. For more than 100 years, those logistics have been ...

Engineers working with the Pentagon’s advanced research arm and a Seattle startup say they are closing in on “infinite flight” for drones by zapping them with high powered lasers from the ground.

If you really think about it, the decades since our species got hooked on energy for its daily dealings didn't bring about significant developments in the way we get access to it. We still use cables ...

The Defense Advanced Projects Research Agency is sponsoring a program to build small and powerful lasers that could detect dangerous chemicals and biological agents ...