1905. A young clerk at the Bern patent office, Albert Einstein, develops the theory of relativity—and at night he dreams up astonishing dreams. Each time it’s the same Swiss town, but each time it’s in a different world existing within another time reality. In one world, time runs around like crazy; in another, it stands still; in a third, it performs unimaginable pirouettes; and in a fourth, you can even touch it…