1920 in science Guide, Meaning , Facts, Information and Description

The year 1920 in science and technology consisted of many events, some of which are included below.

Biology

• Andrew Douglass proposes dendrochronology dating.

• 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.

• Meghnad Saha states his ionization equation
• Albert Einstein delivers his Leiden Lecture
• 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 Einstien's theory of Special Relativity.
• James Jeans discovers that the dynamical constants of motion determine the distribution function for a system of particles.

• The first transatlantic two-way radio broadcast is made.
• First domestic radio sets come to stores in USA – Westinghouse radio costs $10

• January 2 - Isaac Asimov, author
• February 7 - An Wang, computer designer

• June 14 - Max Weber, sociologist

• 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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