Sixteen bowling balls strung from a wooden frame swing back and forth in unison, then in an undulating curve, then into seeming chaos before lining up once again. Each bowling ball takes a slightly ...

Learn how to make a simple DIY pendulum using a ping pong ball and basic household materials. This step-by-step guide shows ...

Shiny metal balls swing hypnotically from museum ceilings worldwide, knocking over tiny objects arranged in a circle on the floor. These Foucault pendulums elegantly demonstrate that Earth is spinning ...

Because a pendulum's oscillation frequency depends on its length, not its mass, you can use different colored bowling balls for a pretty effect. By Francie Diep Published Sep 8, 2014 7:20 PM EDT Get ...