The making of a robot - The Financial Express

By the time he stepped onto the bus in downtown Toronto, bound for Lake Tahoe, Geoff Hinton hadn't sat down for seven years. "I last sat down in 2005," he often said, "and it was a mistake." He first injured his back as a teenager, while lifting a space heater for his mother. As he reached his late fifties, he couldn't sit down without risking a slipped disk, and if it slipped, the pain could put him in bed for weeks. So he stopped sitting down.