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My high school physics professor had a great take on this: The universe is defined as “everything”. If we ever find anything outside the universe, we’ll call th
by Swizec 6y ago
My high school physics professor had a great take on this: The universe is defined as “everything”. If we ever find anything outside the universe, we’ll call that the universe too.
- whatshisface 6y agoThat doesn't really answer the question, what the parent is really asking about is whether we are living on the surface of a manifold that's due for some kind of a collision with something else.
- GlennS 6y agoThe atom used to be defined as the smallest indivisible thing, but we didn't rename it when we learned that you could split them into smaller things.