Chinese new year seems to have gained a new ritual. For the second year running, hundreds of millions of Chinese tuning into the state broadcaster’s Spring Festival Gala were treated to a performance by the country’s cutting-edge humanoid robots. They backflipped, high kicked, dodged, sliced, just like real kung fu masters.China’s leading AI laboratories took the opportunity to release their latest models too. The most impressive came from ByteDance, the owner of TikTok. The hyper-realistic videos from SeeDance 2.0 have to be seen to be believed.The robots are coming for us all, and no one knows how quickly. China is...