YouTuber yamamo2 hasn’t created the world’s first perpetual motion machine with this high-performance double pendulum. But he did create a hypnotic way to lose 22 minutes of your life staring at your ...

Rotating mechanisms can be a headache when it becomes necessary to deliver power through them. [Igor Brkic] faced just such a challenge when creating his double-pendulum build, and solved it with a ...

If you’ve never seen a double pendulum before, it’s basically just a pendulum with another pendulum attached to the end. You might not think that’s anything special, but these devices can exhibit ...