Many Space Types There Are
a: A 3-dimensional manifold ~
b: the world we live in
What: "Manifold -- A "smooth" object which, near each point, "looks like" ordinary Cartesian space. A 2 dimensional manifold is very much like a smooth rubber sheet, or a plane. A 3-dimensional manifold is like the world we live in. Relativity represents "space-time" as a 4-dimensional manifold."
Useful?
Writer: Not stated
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Date: Oct 3 2013 12:33 PM
# 3787 Critique Analogy