Dartmouth Professor Discusses Foucault's Pendulum
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Watch The World Turn
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How FOUCAULT PENDULUM Works and Proves Earth is a Round SPINNING Sphere
12:14
How to be a modern Machiavelli
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Sand pendulums - Lissajous patterns - part one // Homemade Science with Bruce Yeany
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Cosmology Lecture 1
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For the Love of Physics - Walter Lewin - May 16, 2011
5:44
How We Proved Earth Rotates Using a Giant Swinging Ball
8:20