Unmanned Aerial Vehicles (UAVs), commonly known as drones, have revolutionized various sectors of industry and have become an integral part of modern technology. These unmanned flying machines have evolved significantly since their inception and continue to do so at a rapid pace. The technology behind UAVs encompasses a wide range of components, from the basic structure of the drone to the sophisticated systems that enable their flight and functionality. This article delves into the technology of UAVs, exploring their history, design, propulsion systems, communication methods, and applications