When rudimentary solar power was created in the 19th century, the scientists behind the technology had no idea what it would be used for.In 2013, venture capitalists and environmentalists Bertrand ...

Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...