Solar Impulse, the solar-powered plane, took its first runway test, and eventually the plane is expected to take a 20 to 25 day trip around the world. [source: inhabitat.com]
Tags: solar energy
Solar Impulse, the solar-powered plane, took its first runway test, and eventually the plane is expected to take a 20 to 25 day trip around the world. [source: inhabitat.com]
Tags: solar energy
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