He believes Tesla’s future won’t ride on cars but on humanoid robots. It’s the quintessential, science-fiction dream of the future: Musk says Tesla’s Optimus robots will do everything from cleaning your house to performing surgery. And plenty of companies, like Boston Dynamics and Figure, are already deep into the humanoid robot business. Humanoid robots are among the most complex machines imaginable, and the race to build them is already heating up. Hyundai and Google DeepMind are also deploying their Atlas humanoid robot internally in the coming months before rolling it out to customers.