> On 16 Oct 2019, at 23:47, 'Brent Meeker' via Everything List > <[email protected]> wrote: > > > > On 10/16/2019 2:05 PM, Philip Thrift wrote: >> >> >> On Wednesday, October 16, 2019 at 3:49:12 PM UTC-5, Brent wrote: >> >> >> On 10/16/2019 8:22 AM, John Clark wrote: >>> On Tue, Oct 15, 2019 at 8:00 PM Bruce Kellett <[email protected] >>> <javascript:>> wrote: >>> >>> > In the delayed choice experiment, the decision whether or not to quantum >>> > erase the "which way" information can be made long after the original >>> > photons hit the screen and make their marks there. >>> >>> No. In the delayed choice experiment the decision on if to erase the >>> information about which slit the photon went through can be made after the >>> photon passes through the slit, even billions of years after, but it must >>> be made while the photon still exists and is inflight not after it hits the >>> screen. >> >> I thought you read Carroll's book. His example shows in what sense you can >> erase the information after the photon has hit the screen. >> >> Brent >> >> >> >> >> This ("you can erase the information after the photon has hit the screen") >> can be shown to be possible in Many Worlds theory? >> >> What page of the book? (I'll get a copy and check it out.) > > He's posted it on his blog https://www.preposterousuniverse.com/blog/ > <https://www.preposterousuniverse.com/blog/> almost word-for-word.
This corroborates with the fact that MWI, i.e. NON-collapse, does not allow neither FTL, nor retro-causality. My “advise”: if your theory or your interpretation leads to FTL action, change the theory or the interpretation. Bruno > > Brent > > >> >> @philipthrift >> >> >> -- >> 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] >> <mailto:[email protected]>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/everything-list/d8a29744-3964-4ce0-9d19-c7df6a370147%40googlegroups.com >> >> <https://groups.google.com/d/msgid/everything-list/d8a29744-3964-4ce0-9d19-c7df6a370147%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > -- > 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] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/28920a15-08ca-ee4f-5d41-8aea85070ea2%40verizon.net > > <https://groups.google.com/d/msgid/everything-list/28920a15-08ca-ee4f-5d41-8aea85070ea2%40verizon.net?utm_medium=email&utm_source=footer>. -- 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 on the web visit https://groups.google.com/d/msgid/everything-list/6D854EA2-1E8B-4A21-9B59-F003A72C5E80%40ulb.ac.be.

