New Quantum Paradox Further Counters Sensible Assumptions About Reality

❝ That quantum mechanics is a successful theory is not in dispute. It makes astonishingly accurate predictions about the nature of the world at microscopic scales. What has been in dispute for nearly a century is just what it’s telling us about what exists, what is real. There are myriad interpretations that offer their own take on the question, each requiring us to buy into certain as-yet-unverified claims — hence assumptions — about the nature of reality…

❝ [An] experiment, designed by Daniela Frauchiger and Renato Renner, of the Swiss Federal Institute of Technology Zurich, involves a set of assumptions that on the face of it seem entirely reasonable. But the experiment leads to contradictions, suggesting that at least one of the assumptions is wrong. The choice of which assumption to give up has implications for our understanding of the quantum world and points to the possibility that quantum mechanics is not a universal theory, and so cannot be applied to complex systems such as humans.

RTFA. Have fun. I haven’t been involved with the microscopic [and smaller] world for almost sixty years and I’m not inclined to resume the particular disciplines required. I’ll occasionally tap on that windowpane and wait and listen for an answer that reaches into the macro world of measurable [and especially] verifiable results.

One thought on “New Quantum Paradox Further Counters Sensible Assumptions About Reality

  1. Schrödinger's cat says:

    A team of researchers from Nanyang Technological University, Singapore (NTU Singapore) and Griffith University in Australia have constructed a prototype quantum device that can generate all possible futures in a simultaneous quantum superposition. https://phys.org/news/2019-04-scientists-machine-quantum-superposition-futures.html
    “The functioning of this device is inspired by the Nobel Laureate Richard Feynman,” says Dr. Jayne Thompson, a member of the Singapore team. “When Feynman started studying quantum physics, he realized that when a particle travels from point A to point B, it does not necessarily follow a single path. Instead, it simultaneously transverses all possible paths connecting the points. Our work extends this phenomenon and harnesses it for modelling statistical futures.”
    Richard Feynman: https://en.wikipedia.org/wiki/Richard_Feynman

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