| Date | Text | |
|---|---|---|
30 Nov 1904
Dominion Observatory |
Dominion Observatory (astronomy) The Dominion Observatory opens in Ottawa. |
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30 Nov 1904
minor planets |
minor planets (astronomy) Various astronomers discover the minor planets 554 Peraga through 583 Klotilde (see List of minor planets/501–600). |
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30 Nov 1904
nova |
nova (astronomy) The nova V604 Aquilae appears in the constellation Aquila. |
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30 Nov 1904
Umov effect |
Umov effect (astronomy) The Umov effect is noted by Nikolay Umov. |
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30 Nov 1904
Reginald Punnett |
Reginald Punnett (biology) Reginald Punnett's Mendelism is published in Cambridge (U.K.), probably the first popular science book on genetics. |
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30 Nov 1904
Frederick Blackman |
Frederick Blackman (biology) Frederick Blackman proposes his law of limiting factors in relation to photosynthesis. |
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30 Nov 1904
Nettie Stevens |
Nettie Stevens (biology) Nettie Stevens and Edmund Beecher Wilson independently describe the XY sex-determination system. |
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30 Nov 1904
Stamen Grigorov |
Stamen Grigorov (biology) Stamen Grigorov identifies the bacterium Lactobacillus bulgaricus, a major agent in the creation of yogurt. |
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30 Nov 1904
Maltese |
Maltese (biology) Maltese doctor and archaeologist Themistocles Zammit identifies unpasteurized milk as the major source of the pathogen causing Brucellosis. |
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30 Nov 1904
National Association of Audubon Societies for the Protection of Wild Birds and Animals |
National Association of Audubon Societies for the Protection of Wild Birds and Animals (biology) National Association of Audubon Societies for the Protection of Wild Birds and Animals established in the United States. |
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30 Nov 1904
Carl von Linde |
Carl von Linde (chemistry) Carl von Linde obtains pure liquid oxygen and nitrogen by cooling air. |
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30 Nov 1904
Alfred Einhorn |
Alfred Einhorn (chemistry) Alfred Einhorn synthesises the local anesthetic novocaine. |
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30 Nov 1904
Frank–Caro process |
Frank–Caro process (chemistry) The first commercial use of the Frank–Caro process for the nitrogen fixation reaction of calcium carbide and atmospheric nitrogen to produce calcium nitrate as a fertilizer. |
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30 Nov 1904
Fritz Haber |
Fritz Haber (chemistry) Fritz Haber and Carl Bosch develop the Haber process for making ammonia from its elements, a milestone in industrial chemistry with deep consequences in agriculture. |
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30 Nov 1904
Pierre Fatou |
Pierre Fatou (mathematics) Pierre Fatou defines the Mandelbrot set. |
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30 Nov 1904
Oswald Veblen |
Oswald Veblen (mathematics) Oswald Veblen proves the Jordan curve theorem. |
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30 Nov 1904
Martin Kutta |
Martin Kutta (mathematics) Martin Kutta describes the popular fourth-order Runge-Kutta method. |
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30 Nov 1904
James Cullen |
James Cullen (mathematics) James Cullen, S.J., begins the study of Cullen numbers. |
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30 Nov 1904
Emanuel Lasker |
Emanuel Lasker (mathematics) Emanuel Lasker proves the Lasker–Noether theorem for the special case of polynomial rings. |
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30 Nov 1904
Saurian Expedition |
Saurian Expedition (paleontology) The Saurian Expedition led by John C. Merriam recovers many specimens of ichthyosaur. |
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30 Nov 1904
Henry Fairfield Osborn |
Henry Fairfield Osborn (paleontology) Tyrannosaurus rex is described and named by Henry Fairfield Osborn. |
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30 Nov 1904
Albert Einstein |
Albert Einstein (physics) Albert Einstein publishes his four Annus Mirabilis papers. In particular, he formulates the theory of special relativity and states the law of mass-energy conservation: E = mc². He also explains the photoelectric effect by quantization and mathematically analyzes Brownian motion. Because of this, 1905 is said to be the miraculous year for physics, and its 100th anniversary (2005) will be declared the World Year of Physics. |
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30 Nov 1904
Nikolai Korotkov |
Nikolai Korotkov (physiology and medic) Nikolai Korotkov first describes auscultatory blood pressure measurement. |
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30 Nov 1904
Karl Landsteiner |
Karl Landsteiner (physiology and medic) Karl Landsteiner first describes Meconium ileus. |
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30 Nov 1904
Sigmund Freud |
Sigmund Freud (psychology) Sigmund Freud publishes Drei Abhandlungen zur Sexualtheorie (Three Essays on the Theory of Sexuality) and Der Witz und seine Beziehung zum Unbewußten (Jokes and their Relation to the Unconscious). |
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30 Nov 1904
Pathé Frères |
Pathé Frères (technology) Pathé Frères colorise black-and-white films by machine. |
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30 Nov 1904
Alfred Buchi |
Alfred Buchi (technology) Alfred Buchi files a patent for the turbocharger. |
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30 Nov 1904
Paul de Vivie |
Paul de Vivie (technology) Paul de Vivie invents a two-speed rear-wheel derailleur gear for bicycles. |
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30 Nov 1904
Pipe |
Pipe (technology) Pipe manufactures the first automobile with a hemi engine. |
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30 Nov 1904
Walter Griffiths |
Walter Griffiths (technology) Walter Griffiths invents a manually powered domestic vacuum cleaner. |
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30 Nov 1904
Reginald Fessenden |
Reginald Fessenden (technology) Reginald Fessenden invents the superheterodyne receiver. |
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30 Nov 1904
bascule bridge |
bascule bridge (technology) First bascule bridge to the design of Joseph Strauss built. |
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30 Nov 1904
Ivan Sechenov |
death Ivan Sechenov November 15 (O.S. November 2) – Ivan Sechenov (born 1829), "the father of Russian physiology" |
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