One theory is that the universe came from nothing. i.e. perhaps bubble-universes collided, as in a bubble bath, and gave birth to the universe. Or perhaps the big bang was created by a bubble-universe which split into two universes. The… — Michio Kaku Copy Share Image
“We inhabit two universes, then, One is the universe inside our skulls - our viewpoint universe, as it were.” — James Blish Copy Share Image
