Flying non-stop across America powered only by the sun was impressive enough but this rather wide plane is about to do the entire globe.
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Pretty impressive stuff
It's not going to be a quick flight - Solar impulse 2 has a top speed of 88mph and has to land occasionally so the two pilots can switch seats/toilet.
Bertrand Piccard and André Borschberg will take approximately 20 days to complete their epic trip in the 240 feet wide beast covered in 17,000 solar panels.
It will be a massive achievement - a spirit of adventure started in 1924 when four pilots flew around the world in 175 days.
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The attempt will take place in 2015, the result of 12 years of research, tests and development.