Mirror Me, a Chinese start-up, has developed one of the world’s fastest four-legged robots, outperforming those made by market leader Boston Dynamics in some tests.During a live telecast on state-owned China Central Television on Sunday, the one-year-old company’s robot dog – Black Panther II – completed a distance of 100 metres in 13.17 seconds at an athletics track in Wuhan, the capital of central Hubei province.Jin Yongbin, a co-founder of Mirror Me, said in an emailed statement to the Post...