On 27 December 2013 08:16, meekerdb <meeke...@verizon.net> wrote:

> On 12/26/2013 1:46 AM, LizR wrote:
>> Interesting, at a brief skim they appear to be suggesting that phenomena
>> like quantum erasure involve rewriting the past, or words to that
>> effect.....or have I got that wrong?
> Yeah, it's sort of like Wheeler's "No event is a real event until it's an
> observed event."  They're saying the observation *writes*, not rewrites,
> the past.  But we don't want to leave conscious observation as a mystery;
> we know that "observation" by any macroscopic recorder is sufficient to fix
> the events.  I think this can be accommodated in Bruno's theory by looking
> at it, not as changing or rewriting the past, but as post-selecting the
> past from the infinite threads of computation.

It can also be explained by allowing that quantum objects don't have a
built in arrow of time, but can be influenced by future or past events.

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