On Friday, April 27, 2018 at 7:01:12 PM UTC, John Clark wrote: > > > On Thu, Apr 26, 2018 at 4:38 PM, <[email protected] <javascript:>> > wrote: > > > ** >> *Suppose we just assume detectors that watch each slit, and record which >> slit each photon goes through, and later we see no interference pattern -- >> which I think is what happens.* >> > > It is. > > > >> > >> *What does this say about the MWI?* >> > > The universe splits when the photon goes through the slits because the 2 > universes are different, the memory chips in the computer become different, > in one the memory is of the photon going through slot X while in the other > universe the memory is of it going through slot Y , so the 2 universes > remain different and never merge together again and thus no interference > pattern is seen > . > But if both erase that memory then there is no longer a difference between > the 2 universes and thus they merge back together, but the fact that they > were once different means that interference effects will be observable. > > People always talk about the universe splitting but they can merge too, > although that only happens if the difference between the 2 universes is > very very small because if its large you’re never going to engineer things > so they become identical again. That’s why we can do the 2 slit experiment > with photons and electrons and even with buckyballs made of 60 carbon > atoms, but we can’t do it with bowling balls, the difference between a > bowling ball going through slot X is just too different from a bowling ball > going through slot Y to ever make the 2 universes identical again so they > can merge back together. We can see interference effects in a ball made of > 60 atoms but not one made of 6.02*10^23 atoms. > > John K Clark > >
After the split, what happens in the new universe? AG > > > > -- 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 post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

