Tesla CEO Elon Musk has shared a video of the automaker's humanoid robot, Optimus, catching a tennis ball.Musk envisions Optimus as a personal robot companion, similar to C-3PO and R2-D2 from Star Wars.The video demonstrates impressive capabilities, including rapid ball detection and grasp timing.Musk plans to deploy humanoid robots at Tesla factories in 2025 and make them commercially available by 2026.