At Tesla's AI Day, CEO Elon Musk unveiled the prototype of Optimus, a humanoid robot in development by Tesla. During the event in Silicon Valley, Optimus waved to the audience and demonstrated basic movements, like lifting its knees. Although still under development, Musk stated that the robot could be available for sale to consumers in a few years. Tesla's engineers plan to first experiment with Optimus by having it perform tasks in Tesla's car plants. The robot's debut marks another significant step in Tesla's advances in AI and robotics.