How does a quadcopter hover in the air without falling?
What are all of the electrical parts of the quadcopter?
What are accelerometers, gyroscopes, and tilt sensors?
Why are there "A shape" blades and "B shape" blades on the quadcopter?
How does the quadcopter know how much to tilt to go forward?
How are helicopters and quadcopters different?
Why aren't all helicopters shaped like quadcopters?