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Thread: Experiment suggests reality isn't objective

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    Default Experiment suggests reality isn't objective



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    Default Re: Experiment suggests reality isn't objective

    We are figments of the Great Old Ones imaginations...

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    Default Re: Experiment suggests reality isn't objective

    I think that the original MIT Technology Review article deserves a posted link so that one can get closer to the horse's mouth, this is an important issue.

    https://www.technologyreview.com/s/6...ctive-reality/

    In other words, the experiment suggests that one or more of the assumptions—the idea that there is a reality we can agree on, the idea that we have freedom of choice, or the idea of locality—must be wrong.
    And then there is the horse's mouth itself.....

    https://arxiv.org/abs/1902.05080

    The scientific method relies on facts, established through repeated measurements and agreed upon universally, independently of who observed them. In quantum mechanics, the objectivity of observations is not so clear, most dramatically exposed in Eugene Wigner's eponymous thought experiment where two observers can experience fundamentally different realities. While observer-independence has long remained inaccessible to empirical investigation, recent no-go-theorems construct an extended Wigner's friend scenario with four entangled observers that allows us to put it to the test. In a state-of-the-art 6-photon experiment, we here realise this extended Wigner's friend scenario, experimentally violating the associated Bell-type inequality by 5 standard deviations. This result lends considerable strength to interpretations of quantum theory already set in an observer-dependent framework and demands for revision of those which are not.
    I'd rather give up freedom of choice and/or locality, though.
    Last edited by not_Fritz_Argelander; 03-13-2019 at 03:34 AM.
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    Default Re: Experiment suggests reality isn't objective

    This is almost getting into the metaphysical...
    Michael
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    Default Re: Experiment suggests reality isn't objective

    Quote Originally Posted by helicon64 View Post
    This is almost getting into the metaphysical...
    Except for the fact that it's an experiment.... I'm finding it hilarious that the humans are picking the most metaphysical alternative as an explanation. Since the experiment depends on three assumptions (objective reality, free will, locality) there's a bias in making the interpretation about only the first.
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    Default Re: Experiment suggests reality isn't objective

    Quote Originally Posted by not_Fritz_Argelander View Post
    Except for the fact that it's an experiment.... I'm finding it hilarious that the humans are picking the most metaphysical alternative as an explanation. Since the experiment depends on three assumptions (objective reality, free will, locality) there's a bias in making the interpretation about only the first.
    Slight elaboration.

    Free will is the shakiest of the three assumptions. It is least subject to experimental test since the subjective sense of free will is rather elusive and could be merely an illusion. Free will has the status IMO of a myth we tell ourselves to make us feel better. I'd be surprised if the scope of human free will were as large as humans wish it to be.

    Locality is another weak link. JA Wheeler, Feynman's thesis advisor, once proposed a one electron universe.

    https://en.wikipedia.org/wiki/One-electron_universe

    If the universe's only electron lives in a multidimensional space and the many instances of that electron are merely projections or images of the "one electron" onto 3+1 dimensional spacetime, then locality is inedibly burnt toast.
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    Default Re: Experiment suggests reality isn't objective

    This could explain the GOP.

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    Default Re: Experiment suggests reality isn't objective

    Quote Originally Posted by Mikelawyr2 View Post
    This could explain the GOP.
    Please let's not go there.... Mods might have to close the thread.

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