Drones, also known as UAVs, are unmanned aerial vehicles that are controlled autonomously or through remote control. Abraham Kareem is considered the inventor of modern drones. Drones come in many types including quadcopters, helicopters, and fixed-wing aircraft. They have various components like propellers, motors, batteries and cameras. Drones operate using flight controllers and can fly in different modes. They have numerous applications in fields like agriculture, sports, military and delivery. While drones provide advantages like risk-free operations, they also have disadvantages like potential crashes. Drones operate under legal regulations that depend on their use and airspace.