Learn how to calculate the speed of a mass in a circular pendulum with this clear physics tutorial! Step-by-step explanations make it easy to understand circular motion, energy, and angular velocity.

In this simple demonstration of how waves work, a Harvard instructor shows how a group of pendulums can move through a complicated dance together — due entirely to the way each pendulum oscillates at ...

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The Buffalo Museum of Science's impressive 75-foot Foucault pendulum is no longer out of commission, thanks to the efforts of a professor and undergraduate student in UB's Department of Physics. The ...