Quote:
Originally Posted by ChrisD
But it is possible, and interesting to think about.
Chris
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it certainly is.. Especially if you consider that the vast majority of the universe's life (that we know of) will be the age of the Black Holes. These initial ~13-14bn or so will pale into insignificance against the trillions upon trillions of years that black holes will exist. So if it's possible for a universe to exist within a black hole, it's almost a mathematical certainty that we're in one
Have a watch of this cool vid and try (and fail like we all do!) to understand the timescales involved
https://www.youtube.com/watch?v=uD4izuDMUQA
edit: or there's the holographic principle idea, similar but the not the same as the black hole concept. That it's possible to encode higher dimensions on a lower dimensional surface. So our 3 dimensional spacetime is the projection of a 2 dimensional surface somewhere...
https://www.space.com/black-holes-ho...omputing-study
https://www.scientificamerican.com/a...-anniversary1/
(this idea needs lots more work, but it's cool to think about!)