On 11/12/2013 8:08 PM, LizR wrote:
On 13 November 2013 17:03, meekerdb <meeke...@verizon.net <mailto:meeke...@verizon.net>> wrote:

    On 11/12/2013 7:28 PM, LizR wrote:
    On 13 November 2013 16:19, Richard Ruquist <yann...@gmail.com
    <mailto:yann...@gmail.com>> wrote:

        Simple. Shooting yourself with a gun or whatever means you use to end 
your life
        in one universe does not guarranttee that you do not grow in all other
        universes. Unless the laws of physics differ across the multiverse, 
which I
        understand to be incorrect, your copies will grow old and die in every 

    I think it would help if you put your comment beneath whatever you were 
replying to. :)

    However, assuming I understand what you're saying I will attempt a reply...

    The laws of physics don't /mandate/ growing old and dying, they just make it
    overwhelmingly likely. But in a multiverse everything happens, even 
    unlikely things...

    That's another dubious popularization.  Certainly weird things can happen 
in a QM
    world. But *everything*? There are still conservation laws, superselection 
    limited speed of signaling.  Repeating  measurement doesn't produce "every" 
    it produces the same eigenvalue as before.  Many QM processes are 
deterministic in
    one world, c.f. arXiv:quant-ph/070212v1.

I apologise for my over hasty phraseology. I meant to say everything that is physically possible happens - i.e. all physically possible outcomes of each (apparently probabalistic) quantum event. I didn't mean to imply that /physically impossible/ things happen (and it would have been nice if you'd done me the courtesy of thinking that perhaps that was what I meant, rather than assuming that "oh, she must be spouting dubious popularisations!" as you appear to have done.)

Sorry. Didn't mean to offend. But it's a point that bothers me about a lot of these "everything" theories. Yes, they only mean everything that is possible - but that could be a big hole in theory when you start to talk about really strange things. For example, holographic theory (combined with QM) limits the amount of information within a Hubble radius. It's not immediately obvious whether that prohibits some evolution of the quantum state or not, but it's plausible that it does.


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