1873 in science
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The year 1873 in science and technology involved some significant events, listed below.
Contents |
[edit] Exploration
- The Austro-Hungarian North Pole Expedition discovers Franz-Josef Land.
[edit] Mathematics
- Charles Hermite proves that the mathematical constant e is a transcendental number.[1]
- Henri Brocard introduces the Brocard points, Brocard triangle and Brocard circle.[2][1][3]
[edit] Meteorology
- September - Agreement for establishment of International Meteorological Organization.
[edit] Physics
- June 14 - Johannes Diderik van der Waals defends his thesis, Over de Continuiteit van den Gas en Vloeistoftoestand ("On the continuity of the gaseous and liquid state") at Leiden University. In this, he introduces the concepts of molecular volume and molecular attraction; gives a semi-quantitative description of the phenomena of condensation and critical temperatures; and derives the van der Waals equation.[4]
[edit] Technology
- May 20 - Levi Strauss and Jacob Davis receive United States patent#139121 for using copper rivets to strengthen the pockets of denim jeans.
- Carl von Linde installs his first commercial refrigeration system, built by Maschinenfabrik Augsburg for the Spaten Brewery and using dimethyl ether as the refrigerant.
- Christopher Miner Spencer introduces the fully automatic turret lathe.[5]
[edit] Awards
[edit] Births
- June 30 - Friedrich Karl Georg Fedde (d. 1942), botanist.
- October 4 - Dimitrie Pompeiu (d. 1954), mathematician.
- October 9 - Karl Schwarzschild (d. 1916), astronomer and physicist.
[edit] Deaths
- January 27 - Adam Sedgwick (b. 1785), geologist.
- April 18 - Justus von Liebig (b. 1803), chemist.
- March 30 - Bénédict Morel (b. 1809), psychiatrist.
- September 15 - Alexei Pavlovich Fedchenko (b. 1844), naturalist.
- December 14 - Louis Agassiz (b. 1807), zoologist and geologist.
[edit] References
- ^ a b Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. ISBN 978-1-84724-008-8.
- ^ "Etudes d'un nouveau cercle du plan du triangle". Paper to l'Association française pour l'avancement des sciences.
- ^ Guggenbuhl, Laura (December 1953). "Henri Brocard and the Geometry of the Triangle". The Mathematical Gazette (London: Mathematical Association) 37 (322): 241-243. http://www.jstor.org/stable/3610034. Retrieved 2012-01-25.
- ^ Clerk-Maxwell, J. (1874). "Van der Waals on the Continuity of the Gaseous and Liquid States". Nature 10 (259): 477–480. Bibcode 1874Natur..10..477C. doi:10.1038/010477a0. http://www.nature.com/nature/journal/v10/n259/pdf/010477a0.pdf. Retrieved 2012-01-25.
- ^ Rolt, L. T. C. (1965). A Short History of Machine Tools. Cambridge, Mass.: MIT Press. p. 169.
