Thursday, November 1, 2012

Evidence for the existence of other spaces

We live in a 4space (length, width, depth, and duration) but there is evidence that other spaces exist too.
1. The success of quantum mechanics is evidence for a Hilbert space in which the wavefunction exists.
2. String (and other) theories suggest the possibility of compactified extra dimensions.
3. The Everett version of quantum theory argues for parallel worlds.
4. General relativity with multiple sheets.

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