On Mon, Apr 18, 2022 at 2:17 PM Alan Grayson <agrayson2...@gmail.com> wrote:

*> the Pilot Wave theory assumes each particle has a definite position and
> momentum.*

That's true but unlike Many Worlds Pilot Wave theory is non-local, it
postulates there is a mysterious force of some sort that is undiminished by
distance in which two particles billions of light years apart can INSTANTLY
affect each other without affecting anything in between. It seems to me if
that were the case then we'd have to know everything before we could know
anything, and that does not conform with observation because although we
don't know everything we do know some things. If the universe was really
non-local we couldn't even make approximate predictions regardless of if
things were deterministic or not.

Copenhagen assumes a particle has NO position and momentum if it has not
been measured. Pilot Wave theory assumes  a particle has ONE position and
momentum if it has not been measured. Many Worlds assumes Schrodinger's
equation means what it says so a particle has EVERY position and momentum
the equation allows regardless of if it has been measured or not.

> It doesn't violate the HUP because the HUP simply limits what we can
> measure.

Then you should like Many Worlds because it says everything happens because
of Schrodinger's equation, and Schrodinger's equation is 100%
deterministic. Many Worlds also explains why that, although from the
multiverse point of view things are as deterministic as Schrödinger's
equation, to any particular observer in one of those worlds there would be
a limit to how accurate his predictions can be.

John K Clark    See what's on my new list at  Extropolis

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