PowerLight's wireless system could keep military drones flying indefinitely, or be adapted as a directed-energy system for ...

Using compressed air as cutting gas instead of nitrogen reduces costs, as shown at Trumpf’s Intech expo.

If you walk across the open yard in front of the Physics, Math and Astronomy building at the University of Texas at Austin, ...

A tiny silica bead, just 100 nanometers across, sits suspended in a vacuum and vibrates under the grip of laser light. Those ...

Add Yahoo as a preferred source to see more of our stories on Google. Earlier this summer, Israel made military history. Not with a missile, bomb or bullet — but with a beam of light. In a first for ...