Add Yahoo as a preferred source to see more of our stories on Google. The IDF on Wednesday announced that its Iron Beam laser defense system has shot down dozens of aerial threats during the war May ...

A delegate examines an assault weapon at the Defence and Security Equipment International exhibition - Getty Equipped with artificial intelligence (AI) technology trained on millions of human faces, ...

Dozens of times over the last decade NASA scientists have launched laser beams at a reflector the size of a paperback novel about 240,000 miles (385,000 kilometers) away from Earth. They announced ...

OKLAHOMA CITY (AP) - Transportation Secretary Norman Mineta said Wednesday 400 incidents of lasers being beamed at airplanes have been reported since 1990 and the Federal Aviation Administration will ...

Unlike fictional laser swords, real laser beams do not interact with each other when they cross -- unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In ...