An Optimus prototype wheeled on stage during an annual Tesla AI Day presentation was mounted to a small platform. The robot, which remains a work-in-progress, waved to the audience and raised its knees. “Our goal is to make a useful humanoid robot as quick as possible,” the billionaire tech pioneer Musk told the audience at the event in Silicon Valley. “There is still a lot of work to be done.” Tesla is adapting its autonomous car technology to give Optimus capabilities such as walking safely or working on a factory…
Read MoreNo Terminator: Elon Musk teases ‘useful’ humanoid robot
