1921 in science

Last updated

The year 1921 in science and technology involved some significant events, listed below.

Contents

Astronomy and space science

Biology

Cartography

Chemistry

Exploration

Mathematics

Medicine

Physics

Psychology

Technology

Institutions

Awards

Births

Deaths

References

  1. Chertok, Boris (31 January 2005). Rockets and People (Volume 1 ed.). National Aeronautics and Space Administration. pp. 164–165. Retrieved 29 May 2022.
  2. Schmidt, Johs (1923). "The Breeding Places of the Eel". Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character. 211 (382–390): 179–208. doi: 10.1098/rstb.1923.0004 . JSTOR   92087 . Retrieved 2025-11-27.
  3. "The Collisions of Particles with Hydrogen Nuclei" (PDF). Philosophical Magazine . 42 (252): 923–940. 1921. Archived from the original (PDF) on 2014-08-19. Retrieved 2014-08-31.
  4. Crilly, Tony (2007). 50 Mathematical Ideas You Really Need to Know . London: Quercus. p.  57. ISBN   978-1-84724-008-8.
  5. Macmahon, Major P. A. (1921). New Mathematical Pastimes. Cambridge: University Press. p. 101.
  6. Carere, Suzanne (2007-07-25). "Age-old children's disease back in force". thestar.com. Toronto. Archived from the original on 2008-05-17. Retrieved 2012-01-26.
  7. United States patent#1,394,450.
  8. United States patent #1,394,519.
  9. "The story of Brynje". Norway: Brynje. Retrieved 2024-11-06.
  10. Smith, Vicki; Collard, Patrizia; Nicolson, Paula (2012). Key Concepts In Counselling And Psychotherapy: A Critical A-Z Guide To Theory. McGraw-Hill Education (UK). p. 21. ISBN   978-0-335-24221-4.
  11. McHenry, Robert (1980). Liberty's Women. Springfield: G. & C. Merriam. p. 442. ISBN   978-0-87779-064-8.