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30 Nov 1933
![]() Richard Tolman |
Richard Tolman (astronomy) Richard Tolman shows that black-body radiation in an expanding universe cools but remains thermal. |
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30 Nov 1933
![]() Georges Lemaître |
Georges Lemaître (astronomy) Georges Lemaître interprets the cosmological constant as due to a vacuum energy with an unusual perfect fluid equation of state. |
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30 Nov 1933
![]() Mulliken scale |
Mulliken scale (chemistry) The Mulliken scale of chemical element electronegativity is developed by Robert S. Mulliken. |
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30 Nov 1933
![]() Norman Haworth |
Norman Haworth (chemistry) Norman Haworth and Edmund Hirst report the first synthesis of vitamin C. |
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30 Nov 1933
![]() J. D. Bernal |
J. D. Bernal (chemistry) J. D. Bernal and Dorothy Crowfoot first successfully apply the technique of X-ray crystallography to analysis of a biological substance, pepsin. |
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30 Nov 1933
![]() heavy water |
heavy water (chemistry) The first commercial heavy water plant is built at Vemork in Norway; production also starts this year at Dnepropetrovsk in the Soviet Union. |
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30 Nov 1933
![]() Lewis Mumford |
Lewis Mumford (history of science) Lewis Mumford publishes Technics and Civilization. |
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30 Nov 1933
![]() The Iron Bridge |
The Iron Bridge (history of science) The Iron Bridge in Shropshire, dating from the Industrial Revolution period, becomes an officially scheduled monument in England. |
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30 Nov 1933
![]() Sonoluminescence |
Sonoluminescence (physics) Sonoluminescence is discovered at the University of Cologne. |
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30 Nov 1933
![]() Gregory Breit |
Gregory Breit (physics) Gregory Breit and John A. Wheeler describe the Breit–Wheeler process. |
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30 Nov 1933
![]() chronic fatigue syndrome |
chronic fatigue syndrome (physiology and medic) Outbreak of "atypical poliomyelitis", strongly resembling what would later be called chronic fatigue syndrome, affects a large number of medical staff at the Los Angeles County Hospital. |
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30 Nov 1933
![]() George de Hevesy |
George de Hevesy (physiology and medic) George de Hevesy uses heavy water in one of the first biological tracer experiments, to estimate the rate of turnover of water in the human body. |
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30 Nov 1933
![]() Tudor Thomas |
Tudor Thomas (physiology and medic) Tudor Thomas' work on corneal grafting restores the sight of a man who had been nearly blind for 27 years. |
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30 Nov 1933
![]() 135 film |
135 film (technology) The 135 film cartridge is introduced in Germany and the United States with the Kodak Retina camera, making 35mm film easy to use. |
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30 Nov 1933
![]() television sets |
television sets (technology) The first commercial electronic television sets with cathode ray tubes are manufactured by Telefunken in Germany. |
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30 Nov 1933
![]() Bradford's law |
Bradford's law (publications) Samuel C. Bradford proposes Bradford's law of scattering, an example of Pareto distribution applicable in the bibliometrics of scientific literature and beyond. |
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30 Nov 1933
![]() Karl Popper |
Karl Popper (publications) Karl Popper publishes Logik der Forschung. |
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30 Nov 1933
![]() Willie Hobbs Moore |
birth Willie Hobbs Moore Willie Hobbs Moore (died 1994), African American engineer. |