A new propulsion system for boats ditches the diesel
By John Geoghegan
Posted 02.22.2008 at 1:18 pm 24 Comments
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.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.