Two Chinese humanoid robots have eclipsed the achievement of the man widely regarded as the fastest human in history. Racing in the 100 metres at the World Humanoid Robot Games in Beijing, Tiangong Ultra clocked 9.39 seconds in a preliminary heat, beating the men’s world record of 9.58 seconds held by Jamaican sprinting great Usain Bolt since 2009. Another robot in the heat, Lightning, also finished faster than Bolt in a time of 9.47 seconds. Unitree Robotics’ robot was not as quick, finishing...