Into the Impossible With Brian Keating

David Deutsch: Quantum Theories Are Just MIRACLES! (But not this one)

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Aug 23, 2025
David Deutsch, a quantum physicist at Oxford and a pioneer in quantum computing, challenges conventional science, arguing that many quantum theories are mere miracles. He reveals that only the many-worlds theory offers a true explanation for quantum phenomena. The discussion spans infinity's role in science and philosophy, emphasizing its necessity in understanding the universe. Deutsch critiques modern physics for avoiding fundamental questions and proposes that embracing infinity could bridge the gaps in current theories, including those surrounding dark matter and consciousness.
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Explanations, Not Rules, Drive Science

  • Seek explanations, not rules; explanations are central to rationality and science.
  • David Deutsch argues understanding arises from seeking good explanations, which drives progress.
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Math Infinity Versus Physical Reality

  • Mathematical infinity differs from physical infinity and physics tells us which infinities are possible.
  • Deutsch points to calculus and physics as resolving Zeno-style paradoxes, not denying infinity.
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Bad Philosophy Hindered Physics

  • Modern physics suffers from bad philosophy, notably positivism, which discourages explanatory theories.
  • Deutsch blames positivist legacies for sidelining realism and explanations in quantum foundations.
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