solar impulse 2

It has a wingspan of a boeing 747 and are completely filled with solar panels; the Solar Impulse 2. This is possible due to the one of the largest aviation innovations of the decade: The first plane that can fly the world solely on solar energy. Just like cars of the world solar challenge, this innovation is not only built to inspire but also to contribute its technology to further research for the aviation industry.

source: Inhabitat

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