Here's a description of how you could make one of these double pendulum fidget spinners yourself. Besides just being entertaining, there is some serious physics ... There is no simple solution ...

A basic pendulum is a mass at the end of a string that swings back and forth. It seems simple, and it appears in most introductory physics textbooks. But it's not a trivial problem to solve for ...

To that end, here is a wave pendulum. Enjoy 79 seconds of ... There's nothing like simple, rational, black-and-white physics to bring a sense of calm. Okay, now back to work.

[Nicholas Rehm] works during the day at the Applied Physics Laboratory at Johns ... For some more inverted pendulum fun, do check out this simple linear sled. We did cover dRehmFlight a little ...

11. THAT'S WHY FOUCAULT'S PENDULUM WASN'T AN ENTIRELY NEW IDEA. Two centuries before Foucault, Galileo had understood the physics of the simple pendulum, and a few decades later, the Dutch ...