Have you ever tried to balance a broomstick or dowel on the tip of your finger? It’s not so easy. Just how fast should you move your hand to keep the stick balanced? How should you respond if somebody ...

[Nicholas Rehm] works during the day at the Applied Physics Laboratory at Johns Hopkins, Maryland, so has considerable experience with a variety of UAV applications. The question arose about how the ...

This project features a simple two-wheel robot that has the ability to balance itself when it’s going to fall. The robot possesses a switch as a sensor that starts the motor and moves the robot to the ...