Tesla CEO Elon Musk showcases humanoid robot – video

Tesla's CEO, Elon Musk, showcased his humanoid robot, Optimus, at the electric vehicle maker's AI Day event. The billionaire has said a robot business will be worth more than its carmaking business. At the event a prototype of the robot walked on stage and waved to the audience. And a video of it carrying a box, watering plants and moving metal bars in the Tesla factory was shown.'Our goal is to make a useful humanoid robot as quickly as possible,' Musk said at the event in Palo Alto, California.