23Sep 2026 by Post

So, You Say that No Cosmologists Have Ever Claimed the Universe Came from Nothing?

Alexander Vilenkin, Boltzmann brain, Borde-Guth-Vilenkin, cosmologists, cosmology, Everettian universe, fine-tuning, Hartle-Hawking model, Ijjas-Steinhardt model, inflationary string landscape, Intelligent Design, John Leslie, knowledge, Lawrence Krauss, metalevels, observer-selection effect, past-eternality, physics, quantum cosmology, quantum mechanics, Samson, scientific reasoning, Sean Carroll, Stephen Hawking, Stephen Meyer, temporal beginning, The Grand Design, The Telegraph, universe, Vilenkin model
Like mighty Samson of old, in a single-handed effort physicist Bruce Gordon responded to 1,870+ comments. Source
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29May 2026 by Post

Past-Eternal Loop Quantum Cosmology Gets the Bounce

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, physics, quantum effects, quantum singularity theorem, quantum-geometric bounce, Roger Penrose, scientific reasoning, Second Law of Thermodynamics, singularity theorems, Tolman entropy problem, universe
Oscillating universes have been discussed in philosophy from time immemorial and in mathematical cosmology for over one hundred years. Source
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