Skydweller Aero is developing a new class of unmanned aircraft, building on existing technology used by the Solar Impulse 2, the solar-powered airplane.
A solar-power plane being tested off the Mississippi coast is capable of flying around the globe without fueling romaniatv.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from romaniatv.net Daily Mail and Mail on Sunday newspapers.