> > On 11/11/2014 12:55 PM, John Clark wrote: > > On Mon, Nov 10, 2014 Richard Ruquist <[email protected]> wrote > > > I questioned Bruno's statement that MWI universe splitting proceeds at >> the speed of light on the basis of EPR experiments which seem to suggest >> that the splitting proceeds faster than the speed of light. Could you >> comment on this? I was unable to understand Bruno's response. >> > > I didn't understand Bruno's response either. I have heard some say that > Many Worlds is a local theory but I disagree. Suppose you and I each have > quantum entangled coins, you are on Earth and I am in the Andromeda Galaxy > 2 millions light years away. We both start flipping our coins and keep a > record of the sequence of heads and tails. You then get into your spaceship > and travel at 99.999% the speed of light and after 2 million years you > reach Andromeda. We meet each other and compare our records. We discover > that 2 million years ago we produced identical sequences of heads and > tails. The only way Many Worlds can explain that is if the split happened > faster than light, in other words if it was non-local. > > This could also be explained if there is some time-symmetric physics involved, which is a possible way to preserve locality in delayed choice experiments and suchlike.
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