Wednesday, March 4, 2009

Some random thought on multiverse hypothesis, isotropy of space, and anthropic principle

If there is a lot of universes with varying physics laws, would we be likely to find ourselves in an universe where physics laws are slightly non-isotropic? (like, for example, if ratio of proton and electron mass is larger on one side of universe than another).
If our physics laws are is more isotropic than we could expect, then this may show multiple universes hypothesis and/or anthropic principle to be wrong or unusable for reasoning about properties of universe.

(some basics of what I'm talking about)
The multiple-universe hypothesis (along with anthropic principle) is a proposed explanation why physics laws appear to be well tweaked for some form of intelligent life to exist, and why we got some very specific physics laws at all. Hypothesis goes as following, what if a lot of universes with different physics laws exists, some inhabited some not. Certainly, we could only find ourselves in universe with physics laws that allow intelligent life. But would such universe also have "sensible" physics laws, same everywhere and so on?

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