Table-tennis-playing robot makes history by beating elite human players

Blink and you might miss it because you're human and that's a robot beating your kind in a pingpong rally. Meet Ace, an autonomous table tennis robot developed by Sony's artificial intelligence division. The Japanese tech giant says it's the first robot to beat elite human players in competitive physical sport.Here's another point slowed down. You can see the machine tracking the ball's 3D position and estimating its angular velocity and spin in real time. Its nine cameras around the court don't miss a beat ...