The year 1930 in science and technology involved some significant events, listed below.
Astronomy and space exploration
January 15 – The Moon moves into perigee at the same time as the lunar phase reaches its fullest. This is the closest moon distance (at 356,397 km) in recent memory and it will not come closer until 2257.[1]
Bartel van der Waerden publishes Moderne Algebra.[6]
Medicine
March 5 – Danish painter Einar Wegener begins to undergo sexual reassignment surgery in Germany and takes the name Lili Elbe.
July 10 – Mental Treatment Act 1930 in the United Kingdom provides for free voluntary treatment for psychiatric conditions and for psychiatric outpatient clinics, replaces the term "asylum" with "mental hospital" and reorganises the Board of Control for Lunacy and Mental Deficiency.
^Carles, J. (1939). "Les lentilles" [Lentils]. Bulletin mensuel de la Société linnéenne de Lyon (in French). 8 (6): 146–153. Retrieved 2019-01-27. Nous utilisons le remarquable ouvrage d’Helena BARULINA: Lentils of U.S.S.R. and of other countries, 1930...Le spécialiste des Lentilles est Mme Helena BARULINA. Dés 1930, elle publiait, en supplément au Bulletin of Applied Botany, un volume de plus de 300 pages sur les Lentilles (Lentils of U.S.S.R. and of other countries) quelle a résumé, en 1937, dans le tome IV de la Flore des Plantes cultivées.
^Smith, John K. (1985). "The Ten-Year Invention: Neoprene and Du Pont Research, 1930–1939". Technology and Culture. 26: 34–55. JSTOR 3104528.
^Struve, Vasilij Vasil'evič; Turaev, Boris (1930). "Mathematischer Papyrus des Staatlichen Museums der Schönen Künste in Moskau". Quellen und Studien zur Geschichte der Mathematik; Abteilung A. 1. Berlin: Springer.
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