Cosmology Information Intelligent Design

Sabine Hossenfelder: The black hole information problem is not solvable

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“The Black Hole Information Loss Problem is Unsolved. And Unsolvable.”

Today I comment on the recent claim that the black hole information loss problem is “near its end” and explain why this is nonsense.

Sabine Hossenfelder is well known for no-nonsense views about cosmology. Is she right about black holes and information?

6 Replies to “Sabine Hossenfelder: The black hole information problem is not solvable

  1. 1
    Seversky says:

    I am sure our own theoretical physicist, BA77, will be along shortly to put her straight.

  2. 2
    Querius says:


    Sabine Hossenfelder is brilliant, but sometimes controversial. She’s frustrated by endless speculation, contorted theories, and guidance by the “beauty” of mathematics. The primary reason she’s concluded that “the emperor has no clothes” in quantum mechanics is the lack of experimental data and resulting stagnation of significant progress in 40 years.

    So, since you chose to post an unkind comment on BA77, why don’t you grace us with your insights on whether the black hole problem is fundamentally one on conservation of information, or whether it’s fundamentally one of time reversibility of physical phenomena?

    Do you agree with Dr. Hossenfelder that the problem is unsolvable or with most other theoretical physicists that it is?


  3. 3
    chuckdarwin says:

    #1 Seversky

    In 250,000 words or less… 🙂

  4. 4
    Querius says:


  5. 5
    Belfast says:

    Good old Seversky, when he has nothing to say, he says it.

  6. 6
    Querius says:

    Yup. (cricket and frog noises)

    Or maybe he’s busy reading Leonard Susskind’s book on the subject.



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