On 21 December 2013 23:23, Bruno Marchal <marc...@ulb.ac.be> wrote: > > On 21 Dec 2013, at 10:22, LizR wrote: > > On 21 December 2013 22:18, Bruno Marchal <marc...@ulb.ac.be> 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? > > For the diagram, or the story?
The diagram's here... http://en.wikipedia.org/wiki/File:PENROSE2.PNG The story is in a notebook in my bedroom. It was written in the 1970s, before the era of PCs. -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
