Template:Selected anniversaries/August 23: Difference between revisions
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||1904: The automobile tire chain is patented. | ||1904: The automobile tire chain is patented. | ||
||1919: Augustus George Vernon Harcourt dies ... chemist, pioneer of quantitative methodology in the field of chemical kinetics. Pic. | |||
||1919: Vladimir Abramovich Rokhlin born ... mathematician and theorist. Pic. | ||1919: Vladimir Abramovich Rokhlin born ... mathematician and theorist. Pic. |
Revision as of 05:34, 30 March 2020
1638: Descartes' proposal. René Descartes, in a letter to Marin Mersenne, proposed his folium (x-cubed + y-cubed = 2axy) as a test case to challenge Pierre de Fermat's differentiation techniques. To Descartes' embarrassment, Fermat's method worked.
1829: Mathematician and historian Moritz Cantor born. He will write Vorlesungen über Geschichte der Mathematik, which traces the history of mathematics up to 1799.
1946: Signed first edition of Alice and Niles Dancing sells for ten thousand dollars in charity auction to benefit victims of crimes against mathematical constants.
1966: Lunar Orbiter 1 takes the first photograph of Earth from orbit around the Moon.
1999: Sensors on the Mir spacecraft detect patterns of electricity which reveal existence of a vast electrical intelligence in the Earth's ionosphere, now known as AESOP.
1999: Biochemist and crystallographer John Kendrew dies. He shared the 1962 Nobel Prize for chemistry with Max Perutz for determining the atomic structures of proteins using X-ray crystallography.
2011: Pond At Dawn voted Picture of the Day by the citizens of New Minneapolis, Canada.
2017: Reality TV show Dennis Paulson of Mars wins Pulitzer Prize for Most Innovative Programming.