InILLUMINATIONbyTim Carmichael·3h agoThe Universe Has a Problem Nobody Can ExplainTwo competing measurements of cosmic expansion are exposing a possible gap in our understanding of the universe. The disagreement has…A response icon2A response icon2
Alexios Gouvielos·5h ago*595* Cosmological Threshold and the Extinction — Toward a Geometric Activation of the Arrow of…The fundamental equations of physics — quantum mechanics, general relativity, and quantum field theory — are, to a remarkable degree…
Samit Ganguly·6h agoNested Sampling, ExplainedThe one number MCMC can’t give you, and why cosmologists can’t live without it
InStarts With A Bang!byEthan Siegel·8h agoWas dark matter first discovered by Fritz Zwicky or Vera Rubin?Back in 1933, Fritz Zwicky postulated the existence of dark matter. Only 40 years later, with Vera Rubin’s work, did we take it seriously.A response icon1A response icon1
Alexios Gouvielos·1d ago*590* The Topology of Existence: Symmetries, Anomaly Cancellation, and Relational Constraints this…Yet before describing how things evolve, physics must answer a more fundamental question: what configurations are even allowed to exist?
Adityamane Empirical·1d agoThe First Law of the Universe: How Energy, Entropy, and Gravity Shape SpacetimeWhat if the universe itself obeys the same thermodynamic law that governs a steam engine, a refrigerator, or a star?
InStarts With A Bang!byEthan Siegel·1d agoThese five divisions define how far we can go in spaceWhat’s communicable or reachable is different from what’s observable and unobservable, and all of that will evolve as the Universe expands.A response icon1A response icon1
Alexios Gouvielos·1d ago*587* Toward a Discrete Harmonic Spatial Stratification and the Resolution of Relativistic…When a mass suspended by a string is slightly displaced from its equilibrium position, it oscillates under the influence of gravity. The…
Boris (Bruce) Kriger·2d agoWhat Is Electric Charge? (Part 1)You have used electric charge every day of your life. It holds your body together, runs your phone, and occasionally bites your fingertips…
