On 11/12/2024 5:19 PM, John Clark wrote:
On Tue, Nov 12, 2024 at 7:28 PM Bruce Kellett <[email protected]>
wrote:
/>>> Schrodinger's equation says nothing at all about the
wave function. For example, if it is not real but only
epistemic, then there is no need for a physical collapse./
*>> If something works, and in this caseworks really really
well,then it is not at all clear to me why you should assume
that the thing that works so well is not real. And in that
context I'm not even sure what you mean by "real". *
/> Physically real, i.e. existing as an entity in time and space./
*And for every event, for every point in space and forevery instant in
time, the square of the absolute value of the quantum wave has a
precise number, and it's a number that has profound physical
significance. That sure sounds physically real to me!
*
You mean for every point in 12 dimensional configuration space for those
dozen eggs?
/> Newton's equations of motion enable us to calculate the future
trajectories of billiard balls. The equations themselves say
nothing whatsoever about whether or not such objects as billiard
balls exist as physical objects./
*I would say that if something is different in different points in
space and it is different in different instancesin time, and there is
a supremely important connection between it and everything else in the
observable universe, **then that thing is a physical object; and the
quantum wave function does exactly that. *
*OR*..it's just a description of what you happen to know about the dozen
eggs and what they would do it that's true.
*And if that's not good enough to be a physical object then physical
objects simply do not exist.
*
Yep, that's not good enough.
/> the equation itself does not say what a "measurement" is,/
*True,but the only reason I'm a Many Worlds fan is that it doesn't
need to explain what a measurement is, nor does it have to explain
what consciousness is, because neither has anything to do with it.*
I'd heard that the /*many*/ of "Many Worlds" referred to the numerosity
of possible /*measurement*/ results. Is that not right?
Brent
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