Ex Nihilo

Blow up a balloon, and mark two “X” marks on it with a permanent marker. Place the marks a short distance away from each other. “The Big Bang theory argues that the universe is in a constant state of expansion. They’ve seen this phenomenon in action. As time goes on, the universe is growing farther and farther apart.” Blow up the balloon some more, showing how as the balloon gets bigger, the “X” marks get farther apart. “This theory also says that if you were to rewind the universe’s clock, y...