News for hackers. Stuff that matters.

A comment on How big is the entire universe?. Parent comment

Re:How big is the entire universe? by Ralith on Wednesday July 25, 2012 @04:59PM (#4293009)
> I don't think it's possible to have a finite space with no well-defined boundary.

The 2D space described by the surface of a sphere is one such space.

[ Parent | on HN ]
Re:How big is the entire universe? by javert on Wednesday July 25, 2012 @11:33PM (#4294284)
In English, "space" is a volume, not a surface.
[ Parent | on HN ]
Re:How big is the entire universe? by Ralith on Thursday July 26, 2012 @12:22PM (#4296816)
We're not speaking English, we're speaking math.
[ Parent | on HN ]
Re:How big is the entire universe? by javert on Thursday July 26, 2012 @10:45PM (#4299762)
Oh. Yes, now that you have mentioned it, I do recall "space" being used in math classes in a unique way. It never occured to me that that is how "space" was being used.
[ Parent | on HN ]