• pcalau12i@lemmygrad.ml
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    23 hours ago

    It really does not. Physics academia is just filled with crackpot mystics. I like to call them the metaphysical-physicists, the physicists who do not just immerse their mind in practical work but start talking metaphysics.

    In 1964, the physicist John Bell proved that if you assume (1) that objective reality exists, (2) quantum mechanics is correct, and (3) special relativity is correct, then you run into a contradiction, and so one of the assumptions must be wrong. Deranged physicists in academia concluded #1 one is wrong and started to promote the crackpot mystical views that objective reality doesn’t actually exist. Like 90% of the quantum mysticism you see these does not originate from non-physicists like Deepak Chopra but from actual PhD physicists.

    This is, at least, the story the mystics like to tell, that Bell’s theorem “proved” there is no objective reality. But this is a historical falsification, because if you actually check the historical record, you find that physicists in academia started to come to the “consensus” that objective reality isn’t real back in the 1927 Solvay conference, decades before John Bell ever published his theorem, and many more decades before it was ever confirmed in experiment, with Albert Einstein pretty much the last major holdout criticizing this turn of events, once asking Abraham Pais, “do you really believe that the moon doesn’t exist when you’re not looking at it?”

    They already decided it doesn’t exist before they had any theorem or any empirical evidence that the theorem was correct. Bell’s theorem genuinely has nothing to do with this turn of events.

    What is even more absurd is that we have known since the day special relativity was introduced in 1905 that it is not even necessary to make the right predictions of special relativity. Lorentz had proposed a theory in 1904 which is mathematically equivalent to special relativity without special relativity, and hence we know you can drop #3 without actually dropping the empirical predictions of #3. There is zero empirical necessity for premise #3.

    Metaphysical-physicists love historical falsification. They make up this completely bologna narrative that we should accept the truth of special relativity because “it is the most tested theory in the history of physics,” but the statement is nonsensical, because it is mathematically equivalent to Lorentz’s theory. Hence, every “test” for special relativity is also a test of Lorentz’s theory.

    You see this dishonest line of argumentation pushed a lot by the metaphysical-physicist crowd. They will push the most absurd metaphysics you can imagine that is entirely incoherent and when you say you don’t agree with that, they accuse you of denying the science because it is “well-tested.” But none of their crackpot metaphysics has been tested at all. There is no experiment you can conduct that proves a particle doesn’t have a definite value when you are not looking at it. This is just a delusion.

    • Dialectical Idealist@lemmygrad.ml
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      4 hours ago

      We can critique “metaphysical-physicists” while still acknowledging philosophical implications. You seem familiar with the physics side of the discussion, but there is an entire philosophical literature comprised of sharp academics working at the intersection of metaphysics and empirical science. You may have good arguments for one camp within this discussion (e.g., sophisticated materialism) but to dismiss the philosophical implications outright prima facie indicates either a lack of familiarity with the philosophy of physics or perhaps a dismissal of metaphysics as a fruitful enterprise.

      To be fair, my earlier comment was vague: the following example will make the case. The typical materialist argues that external objects are mind-independent, comprised of matter, and have determinate properties. Call this “strong objectivity”. In contrast, Bernard d’Espagnat, theoretical physicist and philosopher of science, argues against materialism on the grounds that standard quantum mechanics is only “weakly objective”. (See his book, “On Physics and Philosophy”.) Although our observations are intersubjectively valid, quantum mechanics is predictive rather than descriptive: it does not describe the world as consisting of mind-independent entities that have determinate properties before they are observed/measured. There is no fact of the matter concerning the state of the system before we measure it. Furthermore, Bell-type experiments, which are a part of the broader quantum theory, display quantum entanglement such that measuring one half of the experiment decides the outcome of the other. To be clear, Bernard does not promote skepticism about reality or its objectivity. But he argues convincingly that the evidence is inconsistent with materialism.

      Whether you agree with Bernard is immaterial (pun intended). The larger point here is that reasonable people can disagree with materialism giving the probabilistic, relational, and epistemologically problematic nature of subatomic particles. These insights obviously conflict with our understanding of materialism! We cannot simply presume the truth of materialism because we find it more intuitive. At best, scientists can justify their assumption of materialism on practical grounds.