A drone is an unmanned remotely controlled aerial vehicle (UAV) , it is an aircraft without a human pilot on board. Its flight is controlled either autonomously by computers in the vehicle or under the remote control of a pilot on the ground or in another vehicle. There are a wide variety of UAV shapes, sizes, configurations, and characteristics. Read More http://skylighttechnologies..com/2013/07/drones-unmanned-remotely-controlled.html