Did the Early Cosmos Inflate Like a Balloon? A Mirror Universe Going Backwards in Time May Be a Simpler Explanation

We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful "microscope," the Large Hadron Collider, has found no deviations from known physics on the tiniest scales. These findings were not what most theorists […]