1920 in science
From Academic Kids
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Other events of 1920
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1919 in science
1920 in science
1921 in science
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The year 1920 in science and technology consisted of many events, some of which are included below.
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Biology
- Andrew Douglass proposes dendrochronology dating.
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Meteorology
- Milutin Milankovic proposes that long term climatic cycles may be due to changes in the eccentricity of the Earth's orbit and changes in the Earth's obliquity.
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Physics
- Meghnad Saha states his ionization equation
- Albert Einstein delivers his Leiden Lecture (http://www.spaceandmotion.com/Physics-Albert-Einstein-Leiden-1920.htm)
- Ernest Rutherford predicts the existence of the neutron.
- Arthur Eddington's observation of a total eclipse of the Sun seems to confirm the "bending of light" in Einstein's theory of Special Relativity.
- James Jeans discovers that the dynamical constants of motion determine the distribution function for a system of particles.
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Technology
- The first transatlantic two-way radio broadcast is made.
- First domestic radio sets come to stores in USA – Westinghouse radio costs $10
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Nobel Prizes
- Charles Edouard Guillaume is awarded the Nobel Prize for Physics
- Schack August Steenberg Krogh is awarded the Nobel Prize for Medicine
- Walther Hermann Nernst is awarded the Nobel Prize for Chemistry
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Births
- January 2 - Isaac Asimov (d. 1992), author.
- February 7 - An Wang (d. 1990), computer designer.
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Deaths
- February 20 - Robert Peary (b. 1856), American polar explorer.
- June 14 - Max Weber (b. 1864), sociologist.
