People powered might just as well be the description of this nifty solar plane, as the 12,000 solar cells are all sponsored to the tune of $200 each.
Finn Olaf-Jones reports for the Wall Street Journal:
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…In 2003, [Bertand] Piccard approached European companies to sponsor what has become a $148 million project and began assembling a team of 80 engineers and technicians plucked largely from Swiss universities. After seven years of tinkering, they arrived at a machine with a deceptively simple design: Solar Impulse—with its sleek, clean lines, white-gloss finish and rakishly angled 208-foot wings (bent to increase the plane’s stability)—resembles what you might get had Steve Jobs reimagined a child’s balsa-wood glider in giant form.
“The crux to flying nonstop around the world with solar energy is being able to fly even when the sun isn’t out, especially at night,” notes André Borschberg, a former Swiss air force fighter ace and McKinsey & Company consultant who, as the project’s CEO, oversees the design team and takes turns piloting the plane.