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Anthropic Principle

October 30, 2012 Leave a comment Go to comments

I’ve read about the Anthropic Principle in several books and articles, but explanations are often obscure or ambiguous.  A quick, clarifying introduction to the subject is given, in my opinion, by Richard Dawkins in this video:

Lee Smolin’s cosmological natural selection conjecture — the idea that universes evolve by reproducing across black holes, and are subject to natural selection —  is also briefly mentioned. The relevant paper would be ‘Did the universe evolve?’, Smolin 1992.

In ‘A Brief History of Time’, Stephen Hawking writes:

‘There are either many different universes or many different regions of a single universe, each with its own initial configuration and, perhaps, with its own set of laws of science.  In most of these universes the conditions would not be right for the development of complicated organisms; only in the few universes that are like ours would intelligent beings develop and ask the question: “Why is the universe the way we see it?”  The answer is then simple: it it had been different, we would not be here.

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