Physics professor John Dooley, of Millersville University, is so fascinated with pendulums that his wife says he's obsessed. So when proponents of the future Lancaster Science Factory asked the ...

Although it's not always so simple to set up, a ballistic pendulum is a perfect tool for introductory physics. The basic idea is to take something that shoots an object (we use a ball launcher, but it ...

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 ...

A set of 3 pendulums hung from the same support. Two of the pendulums have the same string length but different mass bobs to observe the effect of mass. Two of the pendulum have the same mass bobs but ...