> On 18 Aug 2019, at 20:46, 'Brent Meeker' via Everything List 
> <everything-list@googlegroups.com> wrote:
> 
> 
> 
> On 8/18/2019 2:14 AM, Bruno Marchal wrote:
>>> On 17 Aug 2019, at 21:49, 'Brent Meeker' via Everything List 
>>> <everything-list@googlegroups.com> 
>>> <mailto:everything-list@googlegroups.com> wrote:
>>> 
>>> 
>>> 
>>> On 8/17/2019 6:00 AM, Bruno Marchal wrote:
>>>> The idea is that when Alice see her photon being u, she knows that 
>>>> whatever she will be interact with will be consistent wit her photon being 
>>>> u and with bob photon being d, including the bob she could ever manifest 
>>>> herself relatively. And reciprocally with Bob. It is just that when Alice 
>>>> see u, it means that her accessible histories will all be consistent with 
>>>> u for her photon and d for bob’s photon. If Bob sees u to, that will be 
>>>> the same: he knows that he will meet Alice having seen d. Both 
>>>> possibilities will exist. The Alices seeing u will access a world with Bob 
>>>> seeing d. The Alice seeing d, will access a world with Bob seeing u. The 
>>>> same for Bob. Both Alices and Bobs observations will spread toward each 
>>>> other at the speed of light, or slower, and no physical influence exist at 
>>>> all. 
>>> If there is no physical influence, then why is it limited to light speed?
>> Because the spreading of the superposition is a local phenomenon.
> A local physical phenomenon.  "Local" means interactions only occur  at the 
> same spacetime point...all both interactions and spacetime are physical 
> concepts..  So you've done nothing but say the same thing again while 
> avoiding the word "physical”.

I meant that  the spreading of the wave is a local physical local phenomenon, 
as oppose to a collapse into *one* physical reality, with one couple Alice-Bobn 
which would require a faster than light physical influence at a distance.

Bruno




> 
> Brent
> 
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