Could there be other universes outside our universe?
Outside of where our physical laws and such exist, could there be any other universes out there of some kind?
I think there might not be any scientific answer to this.
Those who beat their swords into plowshares will plow for those who did not.
This day is Fantastic!
Myers Briggs: ENTJ
Political Compass: -3/-6 DOOMerWoW
"I really hate it when the guy you were pegging as Mr. Worst Case starts saying, "Oh, I was wrong, it's going to be much worse." " - Adrian Laguna
Under Big Collision, other universes exist, and ours was formed when two of these universes colloided. So, I don't think you want to try to cross from one to another.
Under multiuniverse physics some believe that every time a choice has to be made, on the subatomic or macrolevel, a new universe or two is formed to conform with one of the choices.
Barnes has written half of his novels around this very concept.