On 8/9/2025 5:52 AM, John Clark wrote:
On Fri, Aug 8, 2025 at 9:48 PM Brent Meeker <[email protected]> wrote:
//
/> A lot of leaning on metaphor there. /
*Yes but you almost make that sound like that's a bad thing. Humans
think in terms of metaphor and analogy and in the final analysis a
vast amount of new knowledge comes down to discovering for the first
time that X is like Y.*
/> By what measure is going thru the left slit only a "small"
difference from going thru the right slit?
/
*I would've thought the answer to that question was obvious. If a
skilled experimenter can arrange things so that the only difference
between 2 universes is that one has a record of a particular electron
going through the left slit of a particular 2 slit experiment but the
other universe does not, and there is a way to erase that record, then
there is a way to make those 2 universes identical again, and then it
would be silly to say there are still 2 universes and I'd be justified
in saying they had coalesced.*
So a "small difference" is any one that can be quantum erased.
Brent
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