China’s humanoid robots are sprinting ahead: this week one of their number, called Superman, clocked up a running speed of 12.66 metres per second, beating the record set by Usain Bolt. After doing so, Superman then crashed into a wall. Chinese companies expect to sell 50,000 humanoid robots this year, more than triple last year’s figure. But having mastered the hardware behind the machines, can they tackle the software?           

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