This Futuristic Boat Just Circumnavigated the Globe on Solar Power
By Alexis Madrigal A pioneering ship proves a point about the possibilities of renewable energy. For the past 19 months, the Turanor PlanetSolar has been on a voyage around the world powered only by 38,000 SunPower solar cells. On May 4, the boat will return to Monaco, completing a trip that it began in September of 2010. The 537 square meters of solar panels power six banks of lithium-ion batteries. On a g ...
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