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LS
Leonard Susskind
12/07/18
@ Y Combinator
The holographic principle suggests that the information falling into a black hole can be thought of as both falling in and being stored on its horizon.
Video
YC
Leonard Susskind on Richard Feynman, the Holographic Principle, and Unanswered Questions in Physics
@ Y Combinator
12/07/18
Related Takeaways
LS
Leonard Susskind
12/07/18
@ Y Combinator
The information that falls into a black hole is stored on its horizon in a way that cannot be easily reconstructed, resembling a hologram rather than a photograph.
LS
Leonard Susskind
12/07/18
@ Y Combinator
The universe itself may be a hologram, with our interior representation being mirrored at the boundary, similar to a black hole's horizon. The holographic principle is a tool in physics that represents information stored on the surface of a black hole rather than in three dimensions, allowing for predictive and mathematical value.
JL
Janna Levin
05/05/25
@ Lex Fridman
The information paradox arises because if a particle is created just outside a black hole's event horizon, and one falls in while the other escapes, the one that falls in becomes real and cannot return to the vacuum, leading to a loss of information.
JL
Janna Levin
05/05/25
@ Lex Fridman
The black hole's interior might be quantum entangled with Hawking radiation outside, allowing for information retrieval without physically moving it from inside to outside.
LS
Leonard Susskind
12/07/18
@ Y Combinator
To reconstruct the information from a black hole's horizon, one would need to shine the right kind of light on it, similar to how a hologram works, but this process is not straightforward and requires advanced technology.
JL
Janna Levin
05/05/25
@ Lex Fridman
In principle, if one could collect all the Hawking radiation from a black hole, it would contain details about the black hole's interior, suggesting that information is not destroyed.
JL
Janna Levin
05/05/25
@ Lex Fridman
When observing Hawking radiation, one can notice entanglement between the radiation and the interior of a black hole, indicating that information is not lost.
LS
Leonard Susskind
12/07/18
@ Y Combinator
Almost all the information in the universe is in the form of black holes; they contain significantly more information than anything else.
JL
Janna Levin
05/05/25
@ Lex Fridman
Inside the event horizon, the nature of space and time changes dramatically. As an object falls into a black hole, it experiences time differently, with their future leading them inevitably to the singularity, which is a point in time rather than space from their perspective.