Many lives in many worlds

Abstract

I argue that accepting quantum mechanics to be universally true means that you should also believe in parallel universes. I give my assessment of Everett's theory as it celebrates its 50th anniversary.

Nature version with better graphics at http://www.nature.com/nature/journal/v448/n7149/full/448023a.html Everett bio and other links at http://space.mit.edu/home/tegmark/quantum.html

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