On 21 Dec 2013, at 10:22, LizR wrote:
On 21 December 2013 22:18, Bruno Marchal <[email protected]> wrote:
On 20 Dec 2013, at 18:48, Richard Ruquist wrote:
Bruno: In that case a multiverse could contain another multiverse,
a bit like a black hole could be a door to another universe.
Richard: I like that idea because Smolin hypothized and Poplawski
confirmed using GR + spin that black holes yield at least an
internal universe.
Interesting. Wish I could follow this more closely.
I think this is shown by the Penrose diagram of a rotating black
hole, if I remember correctly. I certainly wrote a science fiction
story on that basis once!
Any chance to get a PDF or link?
Bruno
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