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2026
2026 (73)05/10 Parmenides on Being: that which is (τὸ ἐόν) 🟢 (Epistemology) (For newbies, Personal takes, Pre-Socratics) 16/09 GitHub – Service Update 🟢 (Official Manuscripts) (Personal takes) 05/09 Partial lunar eclipse of Agoust, 28, 2026 🟢 (Sky observation) (Personal takes, Photos, Solar System) 09/08 Portrait of an epistemological stagnation 🟢 (Epistemology, Foundations of physics) (Dark matter, For newbies, Personal takes) 26/07 Phase and Group Velocity in wave propagation 🟢 (Foundations of physics) (For newbies, Personal takes, Radiation) 20/06 Mathematical and historical foundations of Extended Theories of Gravity (ETG) 🔴 (Astrophysics, Cosmology, Foundations of physics, Relativity) (Einstein, Galaxies, Personal takes, Radiation, Reviews, Works) 05/06 Galactic Energy Profiles II ⚪ (Astrophysics, Foundations of physics, Official Manuscripts) (Galaxies, Personal takes, Radiation, Works) 08/05 Galactic Energy Profiles I ⚪ (Astrophysics, Foundations of physics, Official Manuscripts) (Galaxies, Personal takes, Radiation, Time, Works) 23/04 Ludwig Boltzmann, an underrated scientist 🟢 (Foundations of physics) (Boltzmann, For newbies, Personal takes, Reviews) 22/04 References for laymen: What is energy? 🟢 (Foundations of physics) (Boltzmann, Einstein, Feynman, For laymen, Personal takes, Time) 22/04 Einstein’s formula for energy 🟡 (Foundations of physics, Relativity) (Einstein, Personal takes, Radiation) 19/04 Ontology vs. Epistemology of Time 🟡 (Epistemology, Relativity) (Einstein, Personal takes, Time) 19/04 The Stage of Reality – Why gravity is not a force and the speed of light is not a speed 🟡 (Cosmology, Foundations of physics, Relativity) (Einstein, For laymen, Personal takes, Radiation) 14/04 The URD Framework – under development 🔴 (Astrophysics, Cosmology, Epistemology, Foundations of physics, Official Manuscripts) (Galaxies, Personal takes, Radiation, SnIa, Works) 31/03 Leonard Susskind about the c constant 🟡 (Cosmology, Epistemology, Foundations of physics, Relativity) (Radiation, Reviews, Time) 28/03 Cosmology for a static universe ⚪ (Cosmology, Epistemology) (Einstein, Personal takes, Time, Works) 26/03 A wearable math problem 🟡 (Maths) (Personal takes) 16/03 On Mars after sunset 🟢 (Sky observation) (For newbies, Personal takes, Photos, Solar System) 23/02 Cute math game 🟢 (Maths) (For newbies, Personal takes) 22/02 How much does air weigh? 🟢 (Foundations of physics) (For newbies, Personal takes, Solar System) 20/02 The virial theorem and stellar equilibrium 🟡 (Astrophysics, Foundations of physics) (For laymen, Personal takes, Radiation, Works) 19/02 Strange Mathematical Objects: oloid 🟢 (Maths) (For newbies, Personal takes) 18/02 Logic pills: the Boolean basics 🟢 (Maths) (For laymen, Personal takes) 18/02 Odifreddi’s Lucretius 🟢 (Epistemology) (Personal takes, Reviews) 17/02 17 February 1600 – the burning of Giordano Bruno 🟢 (Epistemology) (For newbies, Personal takes) 14/02 Mie scattering and white clouds 🟢 (Sky observation) (For newbies, Personal takes, Radiation) 13/02 The error function as an integration trick 🟡 (Maths) (Personal takes, Radiation, Works) 10/02 Kant and Space 🟢 (Epistemology) (Kant, Personal takes) 09/02 How lightning works 🟢 (Sky observation) (For laymen, Personal takes, Radiation, Reviews) 08/02 Understanding the Sizes : 4 – galaxy clusters and beyond 🟢 (Cosmology) (For newbies, Galaxies, Personal takes) 07/02 Understanding the Sizes : 3 – Milky Way 🟢 (Cosmology) (For newbies, Galaxies, Personal takes) 06/02 Understanding the Sizes : 2 – Solar System 🟢 (Cosmology) (For newbies, Personal takes, Solar System) 05/02 Understanding the Sizes : 1 – Earth and Moon 🟢 (Cosmology) (For newbies, Personal takes, Solar System) 04/02 How empty is matter? 🟢 (Foundations of physics) (For newbies, Personal takes) 02/02 Olbers’ paradox and the dark night sky 🟡 (Cosmology, Sky observation) (For laymen, Personal takes, Radiation) 01/02 The Rayleigh scattering and the blue sky 🟡 (Sky observation) (For laymen, Personal takes, Radiation) 01/02 Eddington luminosity and limits to stellar growth 🟡 (Astrophysics) (For laymen, Personal takes, Radiation) 31/01 Sabine on gauge symmetry and light ⚪ (Foundations of physics) (Hossenfelder, Radiation, Reviews) 28/01 Snell’s law and the causes of refraction 🟡 (Foundations of physics) (For laymen, Personal takes) 26/01 The three-body problem and the five Lagrangian points 🟢 (Cosmology, Foundations of physics) (For newbies, Reviews, Solar System) 24/01 Why do stars twinkle at night and planets do not? 🟢 (Sky observation) (For newbies, Personal takes, Radiation, Solar System) 24/01 The equal sign “=” 🟢 (Maths) (For newbies, Personal takes) 23/01 Dedekind’s theorem: a draft proof 🟡 (Maths) (Personal takes, Works) 22/01 Service note (Epistemology) (Personal takes) 22/01 References for laymen: Archimedes’ hydrostatic principle 🟡 (Foundations of physics) (For laymen, Personal takes) 21/01 References for laymen: angles in the sky 🟢 (Sky observation) (For newbies, Galaxies, Personal takes, Photos) 21/01 Brief on Kramers’ Opacity Law in Stellar Astrophysics 🟡 (Astrophysics) (For laymen, Personal takes, Radiation, Works) 19/01 Chandrasekhar dynamical friction formula 🔴 (Astrophysics) (Galaxies, Personal takes, Works) 17/01 Note for laymen – what is the dark matter? 🟢 (Cosmology, Foundations of physics) (Dark matter, For laymen, Galaxies, Personal takes) 16/01 Ole Rømer and the finite speed of light 🟢 (Sky observation) (For laymen, Personal takes, Radiation, Solar System, Works) 16/01 Penrose-Terrell Rotation 🟡 (Relativity) (Personal takes, Works) 15/01 The Garage Paradox 🟡 (Relativity) (Personal takes, Works) 14/01 Schopenhauer on truth 🟢 (Epistemology) (Reviews) 14/01 Abel integral equation 🟡 (Astrophysics, Maths) 14/01 Pythagorean theorem 🟢 (Maths) (For laymen, Personal takes, Works) 11/01 NGC5335 (Sky observation) (Galaxies, Photos)
