+((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(! Outer space has extremely small density and force, which is the closest Actual physical approximation of an excellent vacuum. But no vacuum is really best, not even in interstellar space... http://arvadavacuums18482.dbblog.net/25357714/arvada-vacuums-an-overview