Quote Originally Posted by Soros View Post
The basic problem i have with this thread is the notion that if there is something outside of this universe, then there is a boundary, a wall where this Universe ends and whatever else is on the other side begins. I think the biological equivalent is a membrane.

I can't see that happening. To me the universe is infinite and boundless, perhaps it is not but its scope is too great for the average mind to comprehend.

I very much doubt that this universe is a closed system with a definite boundary separating it and its contents (energy) from whatever other entity ,or universe that permeates the border/boundary. On the other hand, my doubts probably stem from my inability to comprehend such a thing, and my limited education in regards to the matter at hand.
Most people would define the "end of the universe" as the point where all matter and energy resulting from the Big Bang ceases to exist. It may not be a definite "membrane," but it is a defining limit. A lot of people tend to confuse "infinite" with "infinitely expanding." The universe has a finite amount of matter and energy within it, but is not infinite in size. It has a "border" of sorts; not a physical one, but it is there.