sports-tennis-and-a-ball-bouncing-on-a-court-outdoor-during- Type post Author Bruce Gordon Date May 28, 2026 CategoriesCosmologyPhysicsScientific Reasoning Tagged , Abhay Ashtekar, Aron Wall, beginning, Big Bang, Borde-Guth-Vilenkin, bounce, conformal cyclic cosmology, cosmic aeons, cosmic inflation, cosmology, cyclic cosmologies, entropy, flatness problem, geodesics, gravity, horizon problem, Kinney-Stein proof, Kinney-Stein result, loop quantum cosmology, Martin Bojowald, mechanism, Mithani-Vilenkin instability, Mithani-Vilenkin instability proof, Penrose-Hawking singularity theorems, quantum effects, quantum singularity theorem, quantum-geometric bounce, Roger Penrose, Second Law of Thermodynamics, singularity theorems, Tolman entropy problem, universe Past-Eternal Loop Quantum Cosmology Gets the Bounce Bruce Gordon May 28, 2026 Cosmology, Physics, Scientific Reasoning 15 Oscillating universes have been discussed in philosophy from time immemorial and in mathematical cosmology for over one hundred years. Read More ›