Full speed ahead: The physical art of sailing

Olympic sailors tip their masts precariously close to the water's surface while turning, right their vessels at what looks like the last possible moment, and bounce up and down over the edge of their boats on the straightaways. Every aspiring Olympic sailor must master these unsteady sail propulsion techniques, but there is no scientific literature that explains exactly how the moves increase a boat's speed. Scientists are working to change that.

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