Vol. 27: Pendulum Perfector

Named after its inventor, French physicist Léon Foucault, the Foucault pendulum demonstrates the Earth's rotation by knocking down pins arrayed around the pit over which it swings.

+ Downloads & Extras:

Join the conversation -- every MAKE article has an online page that includes a place for discussion. We've made these RSS and Atom feeds to help you watch the discussions: subscribe.