Chinese scientists have created an unmanned vehicle that can fly and swim. The creators point to its civilian and military applications. The development was carried out by specialists from the Nanjing University of Aeronautics and Astronautics. The device is driven by four propellers, including two swivel propellers in the front. The drone flies with the help of two folding wings, the maximum airspeed is 120 kilometers per hour. Due to the presence of wings, the drone saves energy during the flight and is suitable for long missions. The device reaches a width of about two meters. As planned by the…