Robot-gym instructor
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Training by a robot gym instructor

30 September 2011 Last updated at 15:44 BST

Robots are about to invade our lives.

From performing household chores to entertaining and educating our children, to looking after the elderly, robot makers say we will soon be welcoming their creations into our homes and workplaces.

The BBC's Jon Stewart meets Juan Fasola from the University of Southern California, who demonstrates a robot gym instructor.