[ExI] infinity

[Stathis Papaioannou]

On Thu, 26 Aug 2021 at 08:04, William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> Well, I don't understand that metaphor.  How about this one?  We are
> effectively inside a finite sphere.  Why can't we go as far as we can in
> one direction and run into a wall or something?   bill w
>

Space itself is curved analogous to the surface of a sphere, so if you keep
going you end up where you started.

On Wed, Aug 25, 2021 at 3:05 PM Ben Zaiboc via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
>
>> On 24/08/2021 18:51, bill w wrote:
>>
>> Is there a consensus in our groups as to whether the universe is finite
>> or infinite?  It certainly is infinite for the human race's practical
>> purposes.
>>
>> Let's suppose it is finite.  So you go to a place where it ends.  What do
>> you see?  What if you tried to drill a hole in it?  Would it go through?
>> Would it meet resistance?  Would the end of your drill bit disappear from
>> existence in this universe
>>
>>
>> I think it's quite likely that this universe is finite, but that there is
>> an infinity of such universes (I am not a cosmologist, though).
>>
>> As for 'going to a place where it ends', you can't. Just as you can't go
>> to 'a place where it starts'. Try drawing an x on a ball at a place where
>> it ends. Or starts.
>>
>> Ben
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-- 
Stathis Papaioannou
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