Robot marathon underway in Japan

The world’s first full-length marathon for two-legged robots kicked off in Japan on Thursday, with the toy-sized humanoids were due to run 42.195 kilometres (26 miles) over four days.

The machines began the non-stop race on a 100-metre (109-yard) indoor track in the western city of Osaka after doing knee bends or raising their hands to greet spectators.

The bipedal robots — the tallest of which measures 44 centimetres (17.6 inches) — must complete 423 laps to reach their goal.

Read the rest of the story: Robot marathon kicks off in Japan.

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