On Sun, Nov 26, 2017 at 6:36 PM, <agrayson2...@gmail.com> wrote:
> > > Feynman, who wasn't an MWI enthusiast > [...] > *"Political scientist" L David Raub reports a poll of 72 of the "leading cosmologists and other quantum field theorists" about the "Many-Worlds Interpretation" [...] Amongst the "Yes, I think MWI is true" crowd listed are Stephen Hawking and Nobel Laureates Murray Gell-Mann and Richard Feynman. Gell-Mann and Hawking recorded reservations with the name "many-worlds", but not with the theory's content. Nobel Laureate Steven Weinberg is also mentioned as a many-worlder" * https://www.hedweb.com/everett/everett.htm#believes But to be fair, Feynman wasn't exactly a enthusiast, I think he believed Many Worlds was the the least bad quantum interpretation but he wasn't really a fan of philosophy and had sympathy for the "shut up and calculate" quantum interpretation. > > > > no human observer is necessary to perform a quantum experiment. > Hey you don't have to convince me that an observer is not needed for something to exist in one definite state, but then I'm not a fan of Copenhagen. > > > If the detector is designed for a which-way measurement, the interference > is destroyed. > If the which way information is retained the interference pattern is destroyed, if the information is destroyed then you have interference, and that is what Many Worlds predicts. > >> >> The very heart the Copenhagen interpretation is that things do not have >> definite properties >> before >> they are measured, >> > > > > Wrong. > * "According to the Copenhagen interpretation, physical systems generally do not have definite properties prior to being measured"* https://en.wikipedia.org/wiki/Copenhagen_interpretation > > > Your claim only applies in a special situation of quantum experiments > which manifest interference effects. > I agree, interference effects only manifest in special circumstances, when a world splits become different and then the two evolve in such a way that the two become identical again and so merge back together, and that is only likely to happen if the difference between the two worlds is very small; that's why we don't see weird quantum stuff in our macro world, like in the Earth Moon system. John K Clark > -- 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 everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
