Swiss pioneers Bertrand Piccard and André Borschberg have resumed the first-ever round-the-world Solar flight with Solar Impulse 2 -- the first solar airplane capable of flying day and night without using a drop of fuel.
Swiss pioneers Bertrand Piccard and André Borschberg have resumed the first-ever round-the-world Solar flight with Solar Impulse 2 -- the first solar airplane capable of flying day and night without using a drop of fuel.
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