Unitree’s newly unveiled H2-X humanoid robot lost part of its leg after a failed side flip during a kung fu demonstration in Hangzhou, China. The mishap drew mixed reactions online, with users debating mechanical design, product safety and the challenges of moving robots. Chinese robotics company Unitree Robotics’ recently unveiled humanoid robot, H2-X, stumbled while performing a side flip during a kung fu demonstration, causing part of its leg to detach.