What occurs when you subject a metal renowned for its stability, blast it with a laser pulse only 45 femtoseconds in duration, and heat it to 19,000 kelvins but it won’t melt? Physicists had long ...

At a gold refinery, the team attempts an unusual experiment: melting a $1,000,000 gold bar using nothing but sunlight and a giant magnifying glass. The huge lens concentrates the sun’s rays into an ...