Oops sorry you weren't replying to me. I should have read the complete
thread before I answered.

:-(


On 22 December 2013 08:43, LizR <lizj...@gmail.com> wrote:

> 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.
>

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