[donh]

Do you think space exists outside of the universe? Do you think the universe is bounded?

How many voids can fit in vacuum? Why is there stuff? The world is chock full of of wonderful questions. Nonetheless, a piece of space with nothing in it is still a reasonable approximation of nothing.

[unlearner]

"Nonetheless, a piece of space with nothing in it is still a reasonable approximation of nothing."

No. It contains energy. Nothing means there is no space or time or energy or mass. Nothing.