Robodog goes for his first public 'walkies' on Wednesday, with his British master saying the world's biggest four-legged automaton will scare off smaller robo-puppies from Japan. As tall as a grown Labrador, the artificial dog can climb over obstacles, play football, do handstands and even move like a crab. It is strong enough to raise himself off the ground with a five-year-old child on his back, its inventor claims.
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