1945 in science
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See also:
Other events of 1945
List of years in science
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1944 in science
1945 in science
1946 in science
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The year 1945 in science and technology had many significant events, including those listed below.
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Biology
- Salvador Edward Luria and Alfred Day Hershey independently recognize that viruses undergo mutations
Computer science
- November - Assembly of the world's first general purpose electronic computer, the Electronic Numerical Integrator Analyzer and Computer (ENIAC), is completed. It covers 1800 feet of floor space. The first set of calculations is run on the computer.
Meteorology
- High-altitude west-to-east winds across Pacific, discovered by Japanese in 1942 and by Americans in 1944, are dubbed "jet stream"
Physics
- July 16 - Nuclear testing: The Trinity Test, the first test of an atomic bomb, using 6 kilograms of plutonium, succeeds in detonating, unleashing an explosion equivalent to that of 20 kilotons of TNT.
- Team led by Charles DuBois Coryell discovers element 61, the only one still missing between 1 and 96 on Periodic Table. New element is called promethium
Awards
Births
- April 30 Michael J. Smith (d. 1986), astronaut.
Deaths
- August 4 - Gerhard Gentzen (b. 1909), mathematician.
- August 10 - Robert Goddard (b. 1882), American rocket scientist.
- August 31 - Stefan Banach (b. 1892), great Polish mathematician.
- September 24 - Johannes Hans Geiger (b. 1882), inventor of the Geiger counter.
- December 4 - Thomas Hunt Morgan (b. 1866), biologist.