From the BBC:
“That there’s an infinite number of universes sounds more complicated than there being one,” Prof Cox told the programme.
“But actually, it’s a simpler version of quantum mechanics. It’s quantum mechanics without wave function collapse… the idea that by observing something you force a system to make a choice.”
Accepting the many worlds interpretation of quantum mechanics means also having to accept that things can exist in several states a the same time.
But this leads to a another question: Why do we perceive only one world, not many? More.
Why? Well, we know what happens next, don’t we?
Enter the “evolutionary psychologist”: Just as our brains evolved so as not to see that Darwinian evolution is obviously the main way life forms develop, they evolved so as not to see why it “makes sense” to believe in millions of undetectible universes. Which means that Brian Cox’s thesis is science, of course.
Increasingly, what “makes sense” (that is, feels right) is now the standard. But it comes with a hitch: Whatever anyone else believes also “makes sense” on the same evidence-absent basis. With one exception: No one may believe that evidence matters.
And no one may ask whether a quirk in the brains of multiverse advocates causes their beliefs.
See also: The multiverse: Where everything turns out to be true, except philosophy and religion
As if the multiverse wasn’t bizarre enough …meet Many Worlds
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