Faster, higher, funnier: what we learned from China’s robot games

Five-day showcase reveals leaps Beijing has made in humanoid tech, but also its limitations as US rivals come up from the rearWith exploding pelvises, enough comic pratfalls for a Buster Keaton show reel and the odd moment of ruthless violence, the World Humanoid Robot Games in Beijing gripped the world this week with an unsettling mixture of...