1940 in science
|
|
See also:
Other events of 1940
List of years in science
...
1939 in science
1940 in science
1941 in science
...
The year 1940 in science and technology consisted of many events, including those below.
| Contents |
Biology
- February 2 - The first transposons are discovered in maize (Zea mays, aka corn) by Barbara McClintock.
Computer science
- February 2 - The Complex Number Calculator, a calculator for complex arithmetic based on relays, was completed. (see History of computing hardware).
Chemistry
- February 27 - The radioactive isotope carbon-14 is discovered by Martin Karmen and Ram Ruben
- Astatine synthesized by Corson, MacKenzie, and Segre
- Neptunium, the first transuranic element, synthesized by McMillan and Abelson
Physics
- January 5 - FM radio demonstrated to the FCC for the first time
- Magnetron invented by John Randall and Harry Boot