In the vast expanse of the ocean, a streak of white light pierces the sky. It’s not a natural phenomenon, but a weapon — a ...

Researchers have designed a single-photon time-of-flight LiDAR system that can acquire a high-resolution 3D image of an object or scene up to 1 kilometer away. The new system could help enhance ...

The U.S. military has tested for the first time a laser weapon as fast as the speed of light, capable of melting missiles, ...