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Created page with "== Introduction == Special Relativity is a theory of physics that describes how the laws of physics work when you're moving at a constant speed in a straight line. It was first proposed by Einstein in 1905, and it's one of the two main components of his theory of relativity, the other being general relativity. Image:Detail-36647.jpg|thumb|center|A depiction of a light beam traveling in a vacuum.|class=only_on_..."
