It was designed by Dave Culp, a mechanical engineer who has obsessed about kites for years. The idea is to build a kite as big as 5,000 square meters to pull tanker ships when the wind is right.

Personal anecdote aside, it seems that these large kite sails may be good for more than human sport. According to this article, a company called Kite For Sale is testing these kite sails to add ...