How long will it take to solve the 5 big physics problems?

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L. Wayne Buinis

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Oct 4, 2025, 12:10:17 AMOct 4
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According to Sabine Hossenfelder.
  1. Quantum Gravity:
    • astrophysical evidence never decisive
    • laboratory tests will advance the field in the next decade or so
  2. Dark Matter
    • Improved AI may help
    • Linked to question of quantum gravity
    • Progress in theory is on the way
  3. Dark Energy
    • Appears to be weakening or dependent on a nonuniform universe.
    • We may live in a void.
    • Paradigm shift by 2035.
  4. Big Bang
    • Never
  5. Theory of Everything
    • >2050
    • No evidence physicists are moving on from the prevailing paradigm of symmetry first.
    • (Hossenfelder is not only famous for her history of criticising physicists' obsessions with dead ends, but was recently removed from the Munich Center for Mathematical Philosophy https://www.youtube.com/watch?v=ZO5u3V6LJuM)
Lonny
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