Add Yahoo as a preferred source to see more of our stories on Google. At the Monaco Yacht Show, surrounded by hundreds of huge new superyachts worth many billions of dollars, sits a slender, ...

But the SP80 is actually more like a kiteboard, or at least designed to operate like one, with an oversized kitesurfing sail that will, at least theoretically, propel the boat to a record of 80 knots, ...