Solar Impulse

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Solar Impulse 1 and Solar Impulse 2 are airplanes powered by solar energy. André Borschberg and Bertrand Piccard from Switzerland created these planes as an experiment.[1] The goal of this experiment is to fly around Earth using only solar energy.

References[change | change source]

  1. ↑ Cardwell, Diane (1 May 2013). "Cross-Country Solar Plane Expedition Set for Takeoff". New York Times. Retrieved 2 May 2013.
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