Two men have given a South African boy the hand he never had -- from 10,000 miles apart.In 2011, Carpenter Richard Van As of South Africa, who lost his fingers to a work accident, saw an intriguing YouTube video by an amateur mechanical engineer in the U.S. It featured a giant mechanical hand.Thinking the maker of the video had serious potential, Van As emailed Ivan Owen, who replied from Bellingham, Wash.