A Chinese company just unveiled a humanoid robot so lifelike that during the launch event the makers actually cut open its leg onstage to prove there wasn’t a person inside. The robot, named IRON, walked, pivoted, and moved with such fluid, human-like dynamics that onlookers were stunned. Its creators revealed an internal endoskeleton, bionic muscle structure, and synthetic skin during the demonstration. With 82 degrees of freedom—including 22 in each hand—and powered by three custom AI chips de

Endoskeleton of Frog