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Article #4521

Schrodingers Dog

#4521
From: naturman
Date: Wed, 30 Sep 1992 15:58
35 lines
2303 bytes
It looks like I've been missing some posts on kitty cats. I would like to point
out the following:

1) Kitty cats are tangible objects.
2) Wavefunctions are mathematical functions defined over a region of space and
   time. They are abstract.

Wavefunctions don't pass through slits. They are defined over a region which 
includes the slits. The fact that they are nonzero at the slits reflects the 
fact that if you don't look you don't know which slit the particle goes
through. This is equivalent to not knowing if the kitty is dead or alive.

Physicists just don't seem to understand that probability has got to do with
knowledge. Probabilities are not absolute but depend on the observer. If we
put Schrodingers doggy in the box with a gas mask then the "alive/dead
wavefunction" collapses for him when he sees the kitty kick the bucket or not,
but it does not collapse for Schrodinger.

One of the reasons I gave up physics to become a mathematician was that I was
sick and tired of physicists who had no understanding of basic probability
theory but who continually bullshited about QM.

Lets face it, the argument is not about kitty cats. The real gripe is that some
people are worried about not having free will and they think that their nonsense
interpretations of QM will restore their lost free will.

Meow!
 
*****************************************************************************
* Baby Doc Naturman                                                         *
* USS Enterprise                           "It's life Jim,                  *
* Final Frontier                                  but not as we know it."   *
* naturman@uctvax.uct.ac.za                                                 *
*                                                       Spock of Vulcan     *
*****************************************************************************
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!psgrain!hippo!ucthpx!uctvax.uct.ac.za!naturman

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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!psgrain!hippo!ucthpx!uctvax.uct.ac.za!naturman
From: naturman@uctvax.uct.ac.za
Newsgroups: sci.physics
Subject: Schrodingers Dog
Keywords: Cats , Quantum Merchanics, Cruelty to Animals
Message-ID: <1992Sep30.135833.202931@uctvax.uct.ac.za>
Date: 30 Sep 92 15:58:33 GMT
Article-I.D.: uctvax.1992Sep30.135833.202931
Organization: University of Cape Town
Lines: 35