This month, 69-year-old Japanese sailor Ken-ichi Horie will attempt to captain the worlds most advanced wave-powered boat 4,350 miles from Hawaii to Japan. If all goes as planned, hell set the first Guinness world record for the longest distance traveled by a wave-powered boat and, along the way, show off the greenest nautical propulsion system since the sail.
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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?