Early one morning in 1951 a tiny blue sailboat slipped silently out of Falmouth Harbor in England. Aboard her were two young men, quietly setting out to do something that no one living had ever done before. For centuries boats had been built as strongly as possible, to withstand the enormous power of the sea. But Patrick Ellam and Colin Mudie had a theory that if you built a boat light enough she would lift over the tops of the waves and...