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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.
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 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.
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
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
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 event horizon of a black hole is a boundary beyond which nothing can escape, not even light. It's a point in spacetime that separates events that can affect an outside observer from those that cannot.
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
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.