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.
The video is part of a series of animations that explains a physics concept in just 1 minute. You can watch the last episode on the sound of hydrogen here.
Wednesday, September 7, 2011
Do we live in a 3-dimensional world?
From New Scientist: