On a gusty afternoon in early spring, I find myself on a New Jersey beach sitting in a tandem buggy reminiscent of the plastic Mattel trikes I loved to spin out as a kid. In front of me in this contraption is a man holding a kite explaining the intricacies of "lift" and "drag." Before I have time to wrap my mind around the aerodynamics, the wind catches the kite, and we zip down the beach after it.
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