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Official Event: Aug Challenge: Solar Impulse

Aug Challenge: Solar Impulse Series Monthly Challenge Status Finished Starts 2016-08-01 00:00 CCT Closes 2016-09-30 23:59 CCT Collect Details Info Solar Impulse is a Swiss long-range experimental solar-powered aircraft project. The Solar Impulse project's goals were to make the first circumnavigation of the Earth by a piloted fixed-wing aircraft using only solar power and to bring attention to clean technologies.

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