Robot learns to tie knots only using two fingers on each hand

A robot powered by an artificial intelligence that is trained to tie knots could enable simple machines to execute intricate tasks with electrical wires or cables.

Robot arms can solder microscopic pieces or construct a whole car from a large number of parts, but most struggle to deal with flexible stuff like a bit of string because they move in unpredictable ways.

Tetsuya Ogata at Waseda University in Japan and his colleagues have finally taught a robot with a pair of general-purpose arms, each …

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