On Fri, 26 Mar 1999 12:47:23 PST "Gina Miller" <firstname.lastname@example.org>
>What's the wall look like?
>If there is no end, what is there?
>Don't most physicists believe it's infinite?
> Some one once told me, to imagine that you are a 2 dimensional
>person, so the world would appear only as a sphere to you, if you
>started at the North pole and walked to the South pole, you might
>you're at the end of the world but there's no wall, you're not really
>and the "end".
>Is it something like this?
>Gina "Nanogirl" Miller
There is an article in the (current) April 1999 Scientific American magazine about the possible topologies of the universe.
It can be seen on the Web at