A dual concept of the angle in mathematics and practiceWe consider the angle in mathematics and arrive at a conclusion that there are two concepts on the issue. One is a descriptive geometrical one, while the other is from functional analysis. They are…Savely G. Karshenboim·Apr 4, 2024SaveLearn
Richard Kirwan a [united] Irish man of science in EuropeThe late eighteenth and early nineteenth centuries have long been considered as a formative period for modern Irish political traditions such as nationalism, republicanism and unionism. For Europe it…R. Folk·Apr 3, 2024SaveLearn
The ancient Egyptian personification of the Milky Way as the Sky Goddess Nut: an astronomical and cross-cultural analysisThe Milky Way's name and role in ancient Egyptian culture remain unclear. One suggestion is that the Milky Way may have been a celestial depiction of the sky goddess Nut. In this work, I test this…Or Graur·Apr 1, 2024SaveLearn
The quantum hypothesis for molecules with multiple degrees of freedom; Remarks on the entropy constant of diatomic gasesAn English (2024) translation by P. Marquet of 3 German papers about "Die Quantenhypothese f\"ur Molekeln mit mehreren Freiheitsgraden (The quantum hypothesis for molecules with multiple degrees of…Pascal Marquet, Max Planck·Apr 1, 2024SaveLearn
On the absolute entropy of monatomic bodiesThis is an English (annotated) translation of the German paper by Max Planck (1916) "On the absolute entropy of monatomic bodies" (\"Uber die absolute Entropie einatomiger K\"orper).Pascal Marquet, Max Planck·Apr 1, 2024SaveLearn
Deriving Ontological Statements from the Unnatural Higgs MassWe provide novel, metatheoretical arguments strengthening the position that the naturalness problem of the light Higgs mass is a pseudo-problem: No physics beyond the standard model of particle…Johannes Branahl·Mar 29, 2024SaveLearn
The Compton scientific mission in Brazil in 1941: a perspective from national newspaper and documents of the timeStarting from the perspective of reports published in Brazilian newspapers at the time, as well as letters exchanged between scientists who worked in Brazil and North American colleagues and…Francisco Caruso, Adílio Marques, Felipe Silveira·Mar 25, 2024SaveLearn
The Quantum Theory Of Gravitation, Effective Field Theories, and Strings: Yesterday And TodayThis paper analyzes the effective field theory perspective on modern physics through the lens of the quantum theory of gravitational interaction. The historical part argues that the search for a…Alessio Rocci, Thomas Van Riet·Mar 20, 2024SaveLearn
Memories of Abdus Salam and the early days of supersymmetryI give an account of what it was like to be a PhD student of Abdus Salam and also to take part during the early stages of the development of supersymmetry.Peter West·Mar 20, 2024SaveLearn
Intersec\~oes entre a F\'isica e os saberes da tradic\~ao ceramistaThe growing interaction between traditional knowledge and formal sciences emerges as a relevant field of research. In this perspective, the aim of this article is to investigate the intersections…Samuel Antonio Silva do Rosario, Carlos Aldemir Farias da Silva·Mar 19, 2024SaveLearn
Matter and cosmogenesis in Kant's Theory of the HeavensIn 1755, Kant published his General Natural History and Theory of the Heavens, in which he presented his hypothesis on the formation of the solar system, known as the primitive nebula hypothesis.…Garance Benoit·Mar 18, 2024SaveLearn
The Negative Energy SeaThe Dirac negative energy sea introduced the concept of antimatter, and explained it, not least in its relationship to negative-energy solutions to the wave equation. Post-war, it was largely…Simon Saunders·Mar 17, 2024SaveLearn
The hole argument meets Noether's theoremThe hole argument of general relativity threatens a radical and pernicious form of indeterminism. One natural response to the argument is that points belonging to different but isometric models…Henrique Gomes·Mar 16, 2024SaveLearn
Research and teaching in physics at the University of Franche-Comt\'e 1845-1970Recently uncovered archives at the University of Franche-Comt\'e in Besancon (France) reveal a rich history of research and teaching in physics since the Faculty of Science was first established…John M. Dudley, Jeanne Magnin, Luc Froehly et al.·Mar 14, 2024SaveLearn
GR as a classical spin-2 theory?The self-interaction spin-2 approach to general relativity (GR) has been extremely influential in the particle physics community. Leaving no doubt regarding its heuristic value, we argue that a view…Niels Linnemann, Chris Smeenk, Mark Robert Baker·Mar 13, 2024SaveLearn
From S-matrix theory to strings: Scattering data and the commitment to non-arbitrarinessThe early history of string theory is marked by a shift from strong interaction physics to quantum gravity. The first string models and associated theoretical framework were formulated in the late…Robert van Leeuwen·Mar 11, 2024SaveLearn
Unexpected Quantum IndeterminacyRecent philosophical discussions about metaphysical indeterminacy have been substantiated with the idea that quantum mechanics, one of the most successful physical theories in the history of science,…Andrea Oldofredi·Mar 11, 2024SaveLearn
Bernardo Dessau, fisico, scienziato, maestro, da Bologna a Perugia tra i marosi del secolo breveSeventy-five years ago, Bernardo Dessau passed away. He had been the sole professor of Physics at the University of Perugia for thirty years. With this brief contribution we intend to repay a debt of…Giovanni Carlotti·Mar 10, 2024SaveLearn
The Vatican and the Fallibility of Science: Augustine, Copernicus, Darwin and RaceThis paper provides an overview of work, published since the opening of the archives of the Vatican Congregation for the Doctrine of the Faith at the end of the twentieth century, regarding the…Christopher M. Graney·Mar 8, 2024SaveLearn
Promising Stabs in the Dark: Theory Virtues and Pursuit-Worthiness in the Dark Energy ProblemThis paper argues that we ought to conceive of the Dark Energy problem -- the question of how to account for observational data, naturally interpreted as accelerated expansion of the universe -- as a…William J. Wolf, Patrick M. Duerr·Mar 7, 2024SaveLearn
Relational Quantum Mechanics, Quantum Relativism, and the Iteration of RelativityThe idea that the dynamical properties of quantum systems are invariably relative to other systems has recently regained currency. Using Relational Quantum Mechanics (RQM) for a case study, this…Timotheus Riedel·Mar 6, 2024SaveLearn
Lars Brink: November 12, 1943 - October 29, 2022We give some personal reflections on the person and scientist Lars Brink and on some of his scientific achievements. Our relations to Lars are briefly described in [1] and [2], while the sources…Bengt E. W. Nilsson, Björn Jonson·Mar 6, 2024SaveLearn
Astronomical Lunisolar Cycles and Late Antique ChronologyThis article advances the hypothesis that the heightened eschatological sensitivity evident among the historians writing in the 5th century and its weaker echos in the time of Charlemagne were caused…D. N. Starostin·Mar 6, 2024SaveLearn
A very, very peculiar telescope of the 1610sA re-examination of a well-known iconographic source, the "Allegory of Sight" by Jan Brueghel the Elder and Peter Paul Rubens, reveals that one of the two telescopes depicted in the painting has a…Paolo Del Santo·Mar 5, 2024SaveLearn
On the Time Orientation of Probabilistic TheoriesAn influential theorem by Satosi Watanabe convinced many that there can be no physical probabilistic theory with both non-trivial forward and backward transition probabilities. We show that this…Andrea Di Biagio, Carlo Rovelli·Mar 2, 2024SaveLearn