Template:Selected anniversaries/December 23: Difference between revisions

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||1947: The transistor is first demonstrated at Bell Laboratories.
||1947: The transistor is first demonstrated at Bell Laboratories.
File:Wilhelm Ackermann.jpg|link=Wilhelm Ackermann (nonfiction)|1948: Mathematician [[Wilhelm Ackermann (nonfiction)|Wilhelm Ackermann]] publishes his research on applications of the Ackermann function to detecting and preventing [[crimes against mathematical constants]].


||1949: Arthur Eichengrün dies ... chemist, materials scientist, and inventor. He is known for developing the highly successful anti-gonorrhea drug Protargol, the standard treatment for 50 years until the adoption of antibiotics, and for his pioneering contributions in plastics. Pic.
||1949: Arthur Eichengrün dies ... chemist, materials scientist, and inventor. He is known for developing the highly successful anti-gonorrhea drug Protargol, the standard treatment for 50 years until the adoption of antibiotics, and for his pioneering contributions in plastics. Pic.
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||December 23 is the fictional date of the [[Zendian problem (nonfiction)|Zendian problem]], a US Army cryptography training exercise involving 375 radio messages said to have been intercepted on December 23 by the US Army contingent of a United Nations force landed on the fictional island of Zendia in the Pacific Ocean.
||December 23 is the fictional date of the [[Zendian problem (nonfiction)|Zendian problem]], a US Army cryptography training exercise involving 375 radio messages said to have been intercepted on December 23 by the US Army contingent of a United Nations force landed on the fictional island of Zendia in the Pacific Ocean.
File:Blue City Sunset.jpg|link=Blue City Sunset (nonfiction)|2016: Signed first edition of ''[[Blue City Sunset (nonfiction)|Blue City Sunset]]'' purchased for an undisclosed amount by "a well-known [[Gnomon algorithm]] theorist residing in [[New Minneapolis, Canada]]."


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Latest revision as of 17:30, 7 February 2022

  • 1722: Mathematician and academic Pierre Varignon dies. He simplified the proofs of many propositions in mechanics, adapted Leibniz's calculus to the inertial mechanics of Newton's Principia, and treated mechanics in terms of the composition of forces.

    1722: Mathematician and academic Pierre Varignon dies. He simplified the proofs of many propositions in mechanics, adapted Leibniz's calculus to the inertial mechanics of Newton's Principia, and treated mechanics in terms of the composition of forces.

  • 1822: Inventor and engineer Wilhelm Bauer born. He will design and invent submarines.

    1822: Inventor and engineer Wilhelm Bauer born. He will design and invent submarines.

  • 1933: Mathematician Rikitarō Fujisawa dies. During the Meiji era he was instrumental in reforming mathematics education in Japan and establishing the ideas of European mathematics in Japan.

    1933: Mathematician Rikitarō Fujisawa dies. During the Meiji era he was instrumental in reforming mathematics education in Japan and establishing the ideas of European mathematics in Japan.

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