Could The Universe Be Inside A Black Hole?
Why Hacker News recommends it
Pointed to as a clear treatment of the universe-in-a-black-hole idea whenever black hole cosmology comes up.
What it is
A PBS Space Time episode asking whether our universe could sit inside a black hole. It covers what physicists think happens inside black holes and the arguments for and against this idea.
Recommended by 1 HN commenters across 1 different months, 2022 to 2023.
What Hacker News said
Recommends zoroaster · 2022-12 · on “Ask HN: Is it black holes all the way up?”
Your first link and one of the videos there ( [this video] ) was a huge relief and interesting dive into the q - thanks again for sending it.
Cites westurner · 2022-03 · on “Black Holes Shown to Act Like Quantum Particles”
@PBSSpaceTime videos: "Where Is The Center of The Universe?" (2022) [LINK] "Could The Universe Be Inside A Black Hole?" (2022) [this video] "The Holographic Universe Explained" (2019) [LINK] "Are Black Holes Actually Fuzzballs?" (2022) [LINK]
Cites dotnet00 · 2023-06 · on “Physicists Produce Neutrino Images of Milky Way Galaxy”
PBS Spacetime covered this topic: [this video] Basically, with our current understanding, the only thing that makes the big bang and black holes seem connected is that they're both singularities. But, there's no explanatory value associated with the idea of the universe being the inside of a black hole, and thus there's no way to attempt to test it.