Spark up a doob before you read this:

Ready?

Scientists have uncovered new evidence that within a fraction of a second after the big bang, the size of the universe went from subatomic to it's present size.

Try to wrap your mind around that for a moment.

One second: our entire universe is the size of a bunch of atoms.

A fraction of a second later: our entire universe is the size it is now.

Whoah.

Check it out here.