Deep in a laboratory in Jacarezinho, Paraná, a slender metal rod hangs from a pivot, defying one of the most stubborn laws of ...

Researchers have demonstrated a way to maintain an unstable quantum system by applying bursts of microwave radiation. The technique is comparable to methods used for controlling an inverted pendulum ...

Once you step into the world of controls, you quickly realize that controlling even simple systems isn’t as easy as applying voltage to a servo. Before you start working on your own bipedal robot or ...

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 ...

July 23, 1888.—J. B. Dunlop's patent for the pneumatic tyre is dated July 23, 1888. Though his invention had been anticipated in the year in which he was born, more than forty years earlier, by R. W.

A simple pendulum has two equilibrium points: hanging in the "down" position and perfectly inverted in the "up" position. While the "down" position is a stable equilibrium, the inverted position is ...