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Cool gravity visualization [Science]
posted December 13 2013 9:53.15 by spic0m




Using a large piece of spandex (representing spacetime) and some balls and marbles (representing masses), high school science teacher Dan Burns explains how gravity works.

The bits about how the planets all orbit in the same direction and the demo of the Earth/Moon orbit are really neat.



[Link: kottke]
 
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