| Date | Text | |
|---|---|---|
30 Nov 1922
Juan de la Cierva |
Juan de la Cierva (aeronautics) Juan de la Cierva invents the autogyro, a rotary-winged aircraft with an unpowered rotor. |
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30 Nov 1922
Karl von Frisch |
Karl von Frisch (biology) Karl von Frisch publishes "Über die ‚Tiersprache|Sprache‘ der Bienen. Eine tierpsychologische Untersuchung" ("On the 'language' of bees: an examination of animal psychology"). |
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30 Nov 1922
Dirk Coster |
Dirk Coster (chemistry) Dirk Coster and George de Hevesy publish their discovery of the transition metal element hafnium (72Hf) in zirconium ore, working in Copenhagen (Latin: Hafnia). |
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30 Nov 1922
Niels Bohr |
Niels Bohr (chemistry) Niels Bohr and Dirk Coster, working in Copenhagen, produce a paper on X-ray spectroscopy and the periodic system of the elements. |
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30 Nov 1922
Gilbert N. Lewis |
Gilbert N. Lewis (chemistry) Gilbert N. Lewis and Merle Randall's textbook Thermodynamics and the Free Energy of Chemical Reactions is influential in the replacement of the concept of chemical affinity by free energy. |
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30 Nov 1922
Enigma machine |
Enigma machine (cryptography) Enigma machine first produced commercially. |
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30 Nov 1922
Otto Julius Zobel |
Otto Julius Zobel (electronics) Otto Julius Zobel of Bell Labs describes the type of signal processing filter sections based on the image impedance design principle which will become known as Zobel networks. |
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30 Nov 1922
Tanager Expedition |
Tanager Expedition (exploration) Tanager Expedition. |
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30 Nov 1922
Diphtheria |
Diphtheria (medicine) First vaccine for Diphtheria |
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30 Nov 1922
Arthur Eddington |
Arthur Eddington (physics) Arthur Eddington publishes the textbook The Mathematical Theory of Relativity in Cambridge. |
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30 Nov 1922
Copley Medal |
Copley Medal (awards) Copley Medal: Horace Lamb |
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30 Nov 1922
Wollaston Medal |
Wollaston Medal (awards) Wollaston Medal for Geology: William Whitaker |
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