Recent content by David Brill

I guess I shouldn’t have used the word “container”. Basically, I was just wondering if the universe could be empty. That is, could space-time exist without having anything in it? After reading your replies, I get the impression that that’s not possible. One comment above says that Einstein...

Does it make sense to think of our universe as a "container" of matter and energy? If so, is there some minimal content?