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1920 in science

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List of years in science (table)
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The year 1920 in science and technology involved some significant events, listed below.

Astronomy and space science

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Biology

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Chemistry

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  • July 15 – F. W. Aston shows that the molar mass of chlorine (35.45) is a weighted average of the almost integral masses for the two isotopes 35Cl and 37Cl.[4]

History of science and technology

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  • September 10 – Newcomen Society founded in the United Kingdom for the study of the history of engineering and technology.[5]

Medicine

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Meteorology

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Physics

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Psychology

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Technology

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Events

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Births

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Deaths

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References

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  1. ^ "Robert H. Goddard Story". astronauticsnow. Retrieved 2019-07-19.
  2. ^ Michelson, Albert Abraham; Pease, Francis G. (1921). "Measurement of the diameter of alpha Orionis with the interferometer". Astrophysical Journal (PDF). 53 (5): 249–59. Bibcode:1921ApJ....53..249M. doi:10.1086/142603.
  3. ^ Based on its genetic history. "HIV pandemic's origins located". University of Oxford. 2014-10-03. Retrieved 2014-10-05.
  4. ^ Aston, F. W. (1920). "Isotopes and Atomic Weights". Nature. 105 (2646): 617–619. doi:10.1038/105617a0. S2CID 4267919. Retrieved 2023-04-25.
  5. ^ Russell, Ben (2023). "A curator at the height of his power: H. W. Dickinson... and the Newcomen Society, 1919–1930". International Journal for the History of Engineering and Technology. 93: 1–15.
  6. ^ Mannich, C.; Löwenheim, Helene (1920). "Ueber zwei neue Reduktionsprodukte des Kodeins". Archiv der Pharmazie. 258 (2–4): 295–316. doi:10.1002/ardp.19202580218.
  7. ^ Théorie mathématique des phénomènes thermiques produits par la radiation solaire (Paris).
  8. ^ Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.
  9. ^ "What happened on July 25". Dates in History. Retrieved 2012-01-09.
  10. ^ Glinsky, Albert (2000). Theremin: Ether Music and Espionage. Urbana: University of Illinois Press. p. 26. ISBN 0-252-02582-2. Retrieved 2012-01-09.
  11. ^ Asimov, Isaac (September 1979). "The Vocabulary of Science Fiction". Asimov's Science Fiction.
  12. ^ Zunt, Dominik (2004). "Who did actually invent the word "robot" and what does it mean?". Karel Čapek (1890–1938). Archived from the original on 2012-02-04. Retrieved 2011-12-06.