A new viral video shows a kickboxing humanoid robot shrugging off a flying dropkick from a human being. “OK, should we start worrying?” one user asked on the r/singularity subreddit in response to the video. The research behind the stunt was conducted by scientists at the Active Intelligent Systems (ACT) Lab at the Southern University of Science and Technology (SUSTech) in Shenzhen, China, using Unitree’s popular G1 robot. Chinese robot manufacturer Unitree’s G1, in particular, has quickly turned into a popular test bed for reinforcement learning techniques, allowing it to pick up new skills very quickly. More on humanoid robots: Band Appears on Stage With Poorly-Disguised Robot Playing the Keytar