Multiverses: Do Other Universes Exist? (14 Nov. 2010)
If one or more of the several multiverse theories is correct, then it is possible that near exact replicas of ourselves exist in alternate universes. These theories conclude that multiple universes together comprise everything that exists: the entirety of space, time, matter, and energy as well as the physical laws and constants that describe them. The term was coined in 1895 by the American philosopher and psychologist William James. The various universes within the multiverse are sometimes called parallel universes. In the illustration above, universes are represented as independent circles or spheres. Spheres may be disconnected from all other spheres, meaning no communications can pass between them. Some spheres may contain different realizations of our universe, while others may have different physical laws. An entire set of parallel universes is called a multiverse. The human eye might represent the possibility that realizations of some multiverse hypotheses might only exist in the human mind. I personally think these theories though possible, are a bit of a stretch but still very interesting to read up about. Also since we don't have the capabilities to test these hypothesis at the moment, they really don't have much scientific significance.
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