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Pastimes : Laughter is the Best Medicine - Tell us a joke

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From: Ian@SI	3/26/2012 2:23:11 AM
	9 Recommendations Read Replies (1) of 62592

OT: Not a joke but a most fascinating video. sciencedemonstrations.fas.harvard.edu SOMETHING TO AMAZE YOU... Pendulums with various lengths You may recall from a Mechanics course that the period of a pendulum is proportional to the square root of the length of the line suspending the weight - i.e., the longer the pendulum, the slower it swings. Harvard students built a device with a series of 15 pendulums in a row, each one slightly longer than its neighbor, then set them in motion and filmed the result. The resulting patterns in this short video are quite fascinating to watch.

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