For the first time, physicists have directly measured the temperature of extremely hot gold particles using a giant X-ray ...

A 50 nm thick sheet of solid gold was heated well beyond a theoretical limit, suggests new study — plus, what researchers think about the threat of nuclear war. This YouTube video cannot be played due ...

Let’s talk about lasers—not the kind from your favorite sci-fi movie, but the real, high-powered beams the U.S. Navy is ...

Israel’s enemies have known that 85%-95% of their short-range rockets would be shot down by Iron Dome. But they also knew ...