This plane could stay in the air for months at a time

In 2016, a bizarre-looking plane, covered with more than 17,000 solar panels, showed the world a glimpse of the future of flight. With the w...

In 2016, a bizarre-looking plane, covered with more than 17,000 solar panels, showed the world a glimpse of the future of flight. With the wingspan of a Boeing 747, but weighing only as much as an SUV, it circumnavigated the Earth without using a drop of fuel.

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