Rich Buzz on Instagram: "Fifteen pendulums, each with a slightly different length, turn a simple setup into a living wave machine. Released together, they drift in and out of sync, forming traveling waves, standing waves, beats, and even what looks like chaos, though every swing is governed by math. The timing is precise. The longest pendulum completes 51 swings per minute, while each shorter pendulum swings one more time than the last. By the time you reach the shortest pendulum, it’s moving 65