2014/1/2 John Clark <johnkcl...@gmail.com>
> On Thu, Jan 2, 2014 at 1:07 PM, Jason Resch <jasonre...@gmail.com> wrote:
>> >>> The wave function says everything there is to be said about how
>>>> something is right now.
>>> >> The wave function says nothing about where the electron is right now,
>>> the square of the wave function (I'm not being pedantic the distinction is
>>> important) does tell you something but not enough, it can only give you
>>> probable locations of the electron but it could be anywhere.
>> > Up above, you were saying MWI implies a single definite result.
> Forget MWI forget theory forget interpretations, whenever you perform a
> experiment with photons you always get a single definite result, and the
> photon always leaves a specific clearcut dot on the photographic plate and
> never a grey smudge.
> > (which it does in the third person perspective), but here you are using
>> the uncertainty in the first person perspective.
> Please, don't start with the 1p/ 3p shit, I hear enough of that from Bruno.
> > You should stick to one or the other, or at least be explicit when you
>> switch between them.
> And you are using MWI and "the wave function" as if they were
> interchangeable, they are not. If a electron hits a photographic plate and
> you see a dot on the plate right there then you know which branch in the
> multiverse you're in, the branch where the electron hit right there. But
> you still don't know what the probability distribution was so you don't
> know what the wave function squared was. And even if you did know the
> function squared you still wouldn't know what the wave function itself was
> because it contains imaginary numbers and so when squared 2 very different
> wave functions can yield identical probability distributions.
> > There are other reasons to prefer it besides it's answer to the
>> measurement problem without magical observers, including:
>> - Fewer assumptions
> Fewer assumptions but more universes. Which are more expensive? I think
> assumptions are probably more expensive so MWI is more economical, but I
> could be wrong.
> > Explains how quantum computers work
> Other interpretations could do that too but I think Many Worlds does it in
> a way that is simpler for humans to understand. That's why I think if
> quantum computers ever become common Many Worlds will become the standard
> interpretation, programing a quantum computer would just be too complicated
> if you thought about it in other ways.
> > Fully mathematical theory (no fuzziness, or loose definitions)
> I agree.
>> >No faster-than-light influences
> If that were true (and if MWI were realistic, and it is) then from
> experiment we'd know for certain that MWI is dead wrong, we can never know
> for certain that a theory is right but we can know for certain that it's
> wrong. But it isn't true.
There is no FTL in MWI... you can assert all year long or cry louder the
contrary, that doesn't render it true...
> John K Clark
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