COOK What s loo about Science Discover Drones Douglas Hustad Lerner Publications Minneapolis
Chapter 1 You see something flying in the sky It looks like an airplane But it seems too small to have a person inside What is it It may be a drone A drone is an aircraft that does not have a pilot on board Often a person on the ground controls it But some drones use computers to fly themselves Drones can fly high above the clouds What makes drones different from normal
Drones have many advantages over normal planes A human pilot does not have to risk being shot down Drones do not get tired or bored They can fly long distances over many hours MILITARY DRONES CAN STAY IN THE AIR FOR DOZENS OF HOURS AT A
