New: cleantechs

wiocor (26)in cleantechs • 8 years ago
SolarStratos plane. Going into the stratosphere!
Swiss adventurer unveils incredible stratospheric solar plane. Founder of SolarStratos and pilot Raphael Domjan - "Our goal is to be the highest plane ever, not only solar and electric". Study…
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SolarStratos plane. Going into the stratosphere!