🟢 Easy | 🟡 Medium | ⚪ Hard | 🔴 Very Hard
2025 • 2024 • 2023 • 2022 • 2021 • 2020 • 2018 • 2017 • 2016 • 2015
2025 (11)03/12 Milky Way bulge (Sky observation) (Galaxies, Photos) 23/11 Stars like gas molecules (Sky observation) (Galaxies, Photos) 18/11 About Feynman’s trick 🟡 (Maths) (Feynman, Reviews) 17/11 NGC 150 planetary nebula (Sky observation) (Photos) 09/11 Red spider nebula (Sky observation) (Photos) 09/11 Here I am (Astrophysics, Cosmology, Epistemology, Foundations of physics, Maths, Relativity, Sky observation) (Personal takes, Reviews) 25/09 My thesis work 🟡 (Astrophysics, Cosmology, Epistemology, Foundations of physics, Official Manuscripts, Relativity) (Einstein, Galaxies, Personal takes, Radiation, Time, Works) 11/08 A short essay on anthropic prejudices 🟢 (Cosmology, Epistemology) (Personal takes, Works) 14/06 A historical photo (Foundations of physics) (Einstein, Photos)
2024 (7)12/12 A short essay on causality 🟢 (Epistemology) (Personal takes, Works) 10/12 Einstein and the ether 🟢 (Astrophysics, Foundations of physics) (Einstein, Personal takes, Works) 13/10 Overview of Time in classical Science 🟢 (Epistemology) (Personal takes, Time, Works) 05/06 An in-depth look at galactic dynamics ⚪ (Astrophysics) (Galaxies, Personal takes, Works) 05/05 II Jeans equation in cylindrical coordinates ⚪ (Astrophysics, Maths) (Galaxies, Personal takes, Works) 09/02 Planck’s photon distribution function ⚪ (Foundations of physics, Maths) (Boltzmann, Personal takes, Radiation, Works)
2023 (5)23/09 Searching for the meaning of the universe 🟢 (Epistemology) (Hossenfelder, Reviews) 20/07 Note for laymen – what is the redshift? 🟡 (Astrophysics, Cosmology) (For laymen, Personal takes, Radiation, Works) 11/05 Einstein 1916: Emission and Absorption of Radiation in the Quantum Theory ⚪ (Astrophysics, Foundations of physics) (Boltzmann, Einstein, Personal takes, Radiation, Works) 17/03 Gödel’s conjecture on the unreality of time 🟢 (Epistemology) (Personal takes, Time, Works) 15/02 An in-depth look at the postulate of the unidirectional speed of lightMedium post (Astrophysics, Foundations of physics, Relativity) (Einstein, Personal takes, Works)
2022 (2)2021 (2)2020 (1)2018 (1)2017 (1)2016 (3)2015 (2)