On 7/29/2025 2:58 AM, John Clark wrote:
On Mon, Jul 28, 2025 at 9:07 PM Brent Meeker <[email protected]> wrote:/>>>> A bit of iron found in the ground is unlikely to have encountered an SG./ *>>>True, but it's not unlikely that something equivalent could have occurred.* >>*Yes because thatleaves a classical record, just like a SG does. */>Which is close to what I explained was the definition of a measurement / *I know, and that's precisely why I decided touse that phrase.* />But just an SG doesn't make a record; /*If afterthe electron's encounter with the SG magnet it ever runs into a magnetic field again then the electron's behavior will be different than it would have been if it had never had an encounter with that SG magnet. And that is a classical record. *
No. That's why I included the diagram of the SG experiment in which one blocks or doesn't block one side of a split beam. Until the beam hits a detector the atoms (not electrons) are maintaining their coherence between beams and can be recombined in a way that is impossible classically.
Brent -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/everything-list/145471a7-961a-406f-8ebd-4b77bac32e77%40gmail.com.
