1. Boltzmann’s reply to the Loschmidt paradox: a commented translation

   • Olivier Darrigol

   Regular Article 26 November 2021 Article: 29

   

2. E. Schrödinger’s 1931 paper “On the Reversal of the Laws of Nature” [“Über die Umkehrung der Naturgesetze”, Sitzungsberichte der preussischen Akademie der Wissenschaften, physikalisch-mathematische Klasse, 8 N9 144–153]

   • Raphaël Chetrite
   • Paolo Muratore-Ginanneschi
   • Kay Schwieger

   Historical Document Open access 22 November 2021 Article: 28

   

3. Half-a-century of gamma-ray astrophysics at the Max-Planck Institute for Extraterrestrial Physics

   • Volker Schönfelder
   • Jochen Greiner

   Regular Article Open access 30 October 2021 Article: 27

   

4. The early years of quantum Monte Carlo (2): finite-temperature simulations

   • Michel Mareschal

   Regular Article 14 September 2021 Article: 26

   

5. How to model phase transitions? The changing approaches 1937–1970

   • Martin Niss

   Regular Article 07 September 2021 Article: 25

   

6. Henry Cavendish and the effect of gravity on propagation of light: a postscript

   • Karl-Heinz Lotze
   • Silvia Simionato

   Regular Article Open access 02 September 2021 Article: 24

   

7. Chronicle of the discovery of the back-bending phenomenon in atomic nuclei: a personal recollection 50 years on

   • Hans Ryde

   Personal Recollection Open access 31 August 2021 Article: 23

   

8. A road map for Feynman’s adventures in the land of gravitation

   • Marco Di Mauro
   • Salvatore Esposito
   • Adele Naddeo

   Regular Article 26 August 2021 Article: 22

9. Three Pathbreaking papers of 1966 revisited: their relevance to certain aspects of cosmological creation today

   • Jayant V. Narlikar

   Regular Article 17 August 2021 Article: 21

10. The thermodynamics of black holes: from Penrose process to Hawking radiation

    • Carla Rodrigues Almeida

    Regular Article 05 August 2021 Article: 20

    

11. On the integration of the hydrodynamical equations

    • A. Clebsch

    Historical Document 02 August 2021 Article: 19

    

12. On a general transformation of the hydrodynamical equations

    • A. Clebsch

    Historical Document 02 August 2021 Article: 18

    

13. Comment on Clebsch’s 1857 and 1859 papers on using Hamiltonian methods in hydrodynamics

    • Gérard Grimberg
    • Emanuele Tassi

    Regular Article 02 August 2021 Article: 17

14. Guglielmo Marconi, Augusto Righi and the invention of wireless telegraphy

    • Matteo Leone
    • Nadia Robotti

    Regular Article Open access 28 July 2021 Article: 16

    

15. An inter-country comparison of nuclear pile development during World War II

    • B. Cameron Reed

    Regular Article 24 June 2021 Article: 15

    

16. The ADM version of GR at Sixty: a brief account for historians

    • S. Deser

    Review 22 June 2021 Article: 14

17. EPJH Editorial

    • James D. Wells
    • Michael Eckert

    Editorial 18 June 2021 Article: 13

18. The breakthrough of a quantum chemist by classical dynamics: Martin Karplus and the birth of computer simulations of chemical reactions

    • Daniele Macuglia
    • Benoît Roux
    • Giovanni Ciccotti

    Regular Article Open access 10 June 2021 Article: 12

19. The early years of quantum Monte Carlo (1): the ground state

    • Michel Mareschal

    Regular Article 08 June 2021 Article: 11

20. Arguments against the flatness problem in classical cosmology: a review

    • Phillip Helbig

    Regular Article 26 April 2021 Article: 10

21. The Moore–Penrose inverse: a hundred years on a frontline of physics research

    • Oskar Maria Baksalary
    • Götz Trenkler

    Regular Article Open access 21 April 2021 Article: 9

    

22. Was physics ever deterministic? The historical basis of determinism and the image of classical physics

    • Marij van Strien

    Regular Article Open access 01 April 2021 Article: 8

23. Everett’s theory of the universal wave function

    • Biao Wu

    Regular Article 24 February 2021 Article: 7

    

24. On the development of effective field theory

    • Steven Weinberg

    Regular Article Open access 02 March 2021 Article: 6

25. 60 Years of neutral particle analysis: from early tokamaks to ITER

    • M. P. Petrov
    • V. I. Afanasyev
    • S. Ya. Petrov

    Regular Article 19 March 2021 Article: 5

    

26. Historical and philosophical reflections on the Einstein-de Sitter model

    • Cormac O’Raifeartaigh
    • Michael O’Keeffe
    • Simon Mitton

    Regular Article 19 March 2021 Article: 4

    

27. The history of LHCb

    • I. Belyaev
    • G. Carboni
    • F. Teubert

    Regular Article Open access 19 March 2021 Article: 3

    

28. Exploring the boundary between atoms and the continuum by computers: a personal history

    • Brad Lee Holian

    Regular Article 18 March 2021 Article: 2

    

29. N.R. Sen: Father of Indian Applied mathematics

    • Saibal Ray
    • Utpal Mukhopadhyay
    • Rajinder Singh

    Regular Article 04 March 2021 Article: 1