An curved arrow pointing right. A drone that uses retractable feather wings, mimicking the natural flight of birds, has been designed by researchers in Switzerland. More from Tech A drone that ...

built with dynamic wings and hover engines. The company’s new model is battery-operated and can carry up to 22kg of cargo. Picture: The Flying Ship Company In the animation, the drone zips ...

Was the Queen Bee an offensive drone, or was it merely a device built ... fuselage of the de Havilland Moth Major with the engine, wings, and control surfaces of the de Havalland Tiger Moth ...