A drone flying in the atmosphere for 20 months without sunlight
(Photo: BAE Systems) London: A UK solar-powered drone has successfully completed its first flight into the stratosphere. With a wingspan of 115 feet, this drone can fly in the air for 20 months. The 150kg solar-electric aircraft, produced by London-based BAE Systems at the company’s facility in Wharton, Lancashire, has solar panels mounted on its…
