: Cosmological inflation suggests that our universe is just one "bubble" in a rapidly expanding foam. Other bubbles may exist beyond our cosmic horizon, each with entirely different physical constants.
The concept of parallel universes, or the multiverse, arises from several scientific frameworks: Higher Dimensions, Parallel Universes and the E...
In the realm of string theory, the universe is not composed of point-like particles but of tiny, vibrating loops of energy. For the mathematics of this theory to remain consistent, the universe must possess more than our familiar four dimensions—often ten or eleven. These extra dimensions are thought to be "compactified" or curled up so tightly that they are invisible to us, yet they dictate the laws of physics that govern everything from gravity to electromagnetism. The Multiverse and Parallel Realities : Cosmological inflation suggests that our universe is