Most drones today are noisy: The whine of motors and the hum of propellers produces an unavoidable din that instantly telegraphs their presence. By contrast, the small plane that flew across an indoor ...
Engineers at the Massachusetts Institute of Technology (MIT) said they have successfully flown the first “solid state” airplane that has no moving parts and does not rely on fossil fuels to fly. The ...
An experimental electric plane with no moving parts has been successfully designed and flown by scientists in the US. Instead of propellers or turbines, the five-metre wide craft used electricity to ...