Re: Non-locality and MWI

On 18/04/2016 2:53 pm, Jesse Mazer wrote: On Sun, Apr 17, 2016 at 9:19 PM, Bruce Kellett > wrote: On 18/04/2016 10:11 am, Jesse Mazer wrote: On Sun, Apr 17, 2016 at 7:34 PM, Bruce Kellett

Re: Non-locality and MWI

On Sun, Apr 17, 2016 at 9:19 PM, Bruce Kellett wrote: > On 18/04/2016 10:11 am, Jesse Mazer wrote: > > On Sun, Apr 17, 2016 at 7:34 PM, Bruce Kellett > wrote: > >> >> The future light cones of the observers will overlap at a time

Re: Non-locality and MWI

On 18/04/2016 12:26 pm, John Clark wrote: On Sun, Apr 17, 2016 Bruce Kellett > wrote: ​ >> ​ There is only one Alice and one Bob ​ in every world that I am talking about too, but there are 4 different

Re: Non-locality and MWI

Unless there is some physical ionteraction tween local closely related universes, its all bupkas, or cyhers, Its a breath taking concept in the hug everett sense of things, but we might as well be discussing harry potter or batman worlds. I love the imaginaton, but it seems useless to our

Re: Non-locality and MWI

On Sun, Apr 17, 2016 Bruce Kellett wrote: ​>> ​ >> There is only one Alice and one Bob >> ​ in every world that I am talking about too, but there are 4 different >> worlds, and in each world they observe 4 unique particles; and 4 different >> yous are observing the >>

Re: Non-locality and MWI

On 18/04/2016 11:28 am, John Clark wrote: On Sun, Apr 17, 2016 PM, Bruce Kellett >wrote: ​ >> ​ Alice and Bob meet ​ in 4 different worlds because there are 4 different ways their lab books could be.

Re: Non-locality and MWI

On Sun, Apr 17, 2016 PM, Bruce Kellett wrote: >> ​>> ​ >> Alice and Bob meet >> ​ in 4 different worlds because there are 4 different ways their lab >> books could be. >> > > ​> ​ > There is only one Alice and one Bob in the one world I am talking about. > There is

Re: Non-locality and MWI

On 18/04/2016 10:11 am, Jesse Mazer wrote: On Sun, Apr 17, 2016 at 7:34 PM, Bruce Kellett > wrote: The future light cones of the observers will overlap at a time determined by their initial separation, regardless of whether

Re: Non-locality and MWI

On 18/04/2016 10:21 am, John Clark wrote: On Sun, Apr 17, 2016 Bruce Kellett >wrote: ​ > ​ Consider the following: Alice and Bob perform their experiments on the entangled pair and record the results (magnet orientation

Re: Non-locality and MWI

On Sun, Apr 17, 2016 Bruce Kellett wrote: ​> ​ > Consider the following: Alice and Bob perform their experiments on the > entangled pair and record the results (magnet orientation and outcome) in > their lab books. They then go on with other things. Some weeks later

Re: Non-locality and MWI

On Sun, Apr 17, 2016 at 7:34 PM, Bruce Kellett wrote: > > The future light cones of the observers will overlap at a time determined > by their initial separation, regardless of whether they send signals to > each other or not. > Of course, I never meant to suggest

Re: Non-locality and MWI

On 4/17/2016 4:34 PM, Bruce Kellett wrote: On 18/04/2016 5:25 am, Jesse Mazer wrote: "A and B perform their measurements at spacelike separation, but each chooses the measurement orientation outside the light cone of the other. There are four possible combinations of results, corresponding

Re: Cryonics punched cards and the brain

On Sun, Apr 17, 2016 Bruno Marchal wrote: . > ​>> ​ >> ​It's not just that you don't have to, you CAN'T do ​theoretical physics >> ​ from a viewpoint that CAN NOT EXIST because the result would be >> ridiculous and useless. >> > > ​>​ > It does not exist physically, but it

Re: Non-locality and MWI

On 18/04/2016 5:25 am, Jesse Mazer wrote: "A and B perform their measurements at spacelike separation, but each chooses the measurement orientation outside the light cone of the other. There are four possible combinations of results, corresponding to four worlds in the MWI: |+>|+'>, |+>|-'>,

Re: Non-locality and MWI

On Sat, Apr 16, 2016 Bruce Kellett wrote: ​>> ​ >> assuming A and B were different to begin with and assuming the MWI is >> correct, the universe ​splits into 4 strands with a observer in each one. ​ > > ​> ​ > Sometimes: sometimes only two strands. > ​If you and I

Re: Non-locality and MWI

"A and B perform their measurements at spacelike separation, but each chooses the measurement orientation outside the light cone of the other. There are four possible combinations of results, corresponding to four worlds in the MWI: |+>|+'>, |+>|-'>, |->|+'>, and |->|-'>. Since each observer has a

Re: Cryonics punched cards and the brain

On 15 Apr 2016, at 19:23, John Clark wrote: On Fri, Apr 15, 2016 at 10:27 AM, Bruno Marchal wrote: ​>​>> ​ ​nowhere is there any action at a distance, nor any indeterminacy or event without "cause". ​​>> ​That would only be true from the viewpoint of somebody

Re: Counterfactual Definiteness

On 16 Apr 2016, at 01:46, Bruce Kellett wrote: On 16/04/2016 12:20 am, Bruno Marchal wrote: On 14 Apr 2016, at 14:31, Bruce Kellett wrote: It is interesting that you have not answered my question about what exactly you mean by 'counterfactual definiteness' so that we know what you mean