On Sat, Nov 1, 2014 at 6:55 PM, Bruce Kellett <[email protected]>
wrote:

  > MWI struggles to explain the violations of Bell's inequality.


The Many world's interpretation easily explains the violation of Bell's
inequality; yes the explanation is weird but any successful theory would
have to be weird because Quantum Mechanics is weird.  Unlike General
Relativity no same person would come up with Quantum Mechanics unless
forced to do so do to experimental results. Common sense tells us that
Bell's inequality can never be violated, but common sense is dead wrong.


> >  It can do so only in a very strained way, and that at the price of
> counterfactual definiteness. It seems to me that this price might be too
> high.
>

But it's even worse for the conventional Copenhagen interpretation, it says
that a electron's position and momentum aren't just unknown they don't even
exist until somebody looks at it, and if you look at it in such a way that
you can determine it's position then it's meaningless to ask what it's
momentum would have been if you'd measured that instead. Many worlds says
that the electron always had a real position and momentum but when you (and
by "you" I mean the only thing the laws of physics lets third parties see
that fits the description of Bruce Kellett) measure the electron the
universe splits, in one universe "you" measure the electron's position and
in the other universe "you" measure the electron's momentum, and although
they (the 2 yous) can't communicate with each other both are equally real.
So if you're a fan of counterfactual definiteness you should be a fan of
Many Worlds too.

  John K Clark

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