Video: Is Our Universe an Accident?


You may be able to go back to bed, especially if you are a theoretical physicist. Our universe and everything we know about it; every rule we've nailed down about how the world works and why may only apply to this, particular universe - one of many possible universes, each of which would have its own rules.
From the YouTube description of the video:
"Theoretical physicist Alan Lightman suggests that our universe is one of many possible variations, leaving physicists at a cosmological dead end. Lightman's latest book is The Accidental Universe: The World You Thought You Knew ("

Via Big Think
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