Wednesday, September 7, 2011

New Scientist TV: One-Minute Physics: How do we know our world is 3D?

New Scientist TV: One-Minute Physics: How do we know our world is 3D?:
How do we know we live in three dimensions? In this One Minute Physics episode, animator Henry Reich explores the concept of multiple dimensions and shows one way to test that we live in a 3D world.

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