WATCH: First Real-life 'Star Wars' Plasma Lightsaber Actually Retracts, Cuts Through Metal With 4,000°F Be careful! This is not a toy! Engineer creates the world's first actual lightsaber that cuts through metal—Cut droids controlled by the Empire! by Isaiah Alonzo
Researchers Achieve Record Data Transmission Speed, 4.5 Million Times Faster Than Average Home Broadband