1940 in science

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The year 1940 in science and technology involved some significant events, listed below.

Contents

1 Biology
2 Computer science
3 Chemistry
4 Physics
5 Births
6 Deaths

[edit] Biology

February 2 - The first transposons are discovered in maize (Zea mays, aka corn) by Barbara McClintock.

[edit] Computer science

February 2 - The Complex Number Calculator, a calculator for complex arithmetic based on relays, was completed. (see History of computing hardware).

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[edit] Chemistry

February 27 - The radioactive isotope carbon-14 is discovered by Martin Kamen and Sam Ruben
Astatine synthesized by Corson, MacKenzie, and Segre
Neptunium, the first transuranic element, synthesized by McMillan and Abelson

[edit] Physics

January 5 - FM radio demonstrated to the FCC for the first time
Cavity Magnetron invented by John Randall and Harry Boot

[edit] Births

November 26 - Enrico Bombieri, mathematician

[edit] Deaths

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