The Electric: Tesla's Optimus Hype Has Pumped Up the Nascent U.S. Humanoid Battery Industry

U.S. researchers invented the electric vehicle battery, but Chinese companies have swallowed up the business of making them. Now a new technological race has emerged, this time in humanoid robots: As in batteries and EVs, U.S. companies are in tough competition with Chinese rivals that already control much of the supply chain for motors and other components that go into the humanoids.