Template:Selected anniversaries/October 29: Difference between revisions

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||1866: Carl Gustav Witt born ... astronomer and discover of two asteroids who worked at the Berlin Urania Observatory, a popular observatory of the Urania astronomical association of Berlin. Pic.
||1866: Carl Gustav Witt born ... astronomer and discover of two asteroids who worked at the Berlin Urania Observatory, a popular observatory of the Urania astronomical association of Berlin. Pic.


||1878 Patent issued for Odhner calculating machine. *VFR Willigot T. Odhner was granted a patent for a calculating machine that performed multiplications by repeated additions. The patent, a modified and compact version of Gottfried von Leibniz stepped wheel, was acquired and embodied in Brunsviga calculators that sold into 1950s.*CHM https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-29.html
||1866: Sam Eyde born ... engineer and industrialist, founder of both Norsk Hydro and Elkem. Pic.
 
||1878: Patent issued for Odhner calculating machine. *VFR Willigot T. Odhner was granted a patent for a calculating machine that performed multiplications by repeated additions. The patent, a modified and compact version of Gottfried von Leibniz stepped wheel, was acquired and embodied in Brunsviga calculators that sold into 1950s.*CHM https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-29.html


||1880: Abram Ioffe born ... physicist and academic ... an expert in electromagnetism, radiology, crystals, high-impact physics, thermoelectricity and photoelectricity. He established research laboratories for radioactivity, superconductivity, and nuclear physics. Pic.
||1880: Abram Ioffe born ... physicist and academic ... an expert in electromagnetism, radiology, crystals, high-impact physics, thermoelectricity and photoelectricity. He established research laboratories for radioactivity, superconductivity, and nuclear physics. Pic.

Revision as of 05:23, 8 March 2020

  • 1675: Gottfried Wilhelm Leibniz makes the first use of the long s (∫) as a symbol of the integral in calculus.

    1675: Gottfried Wilhelm Leibniz makes the first use of the long s (∫) as a symbol of the integral in calculus.

  • 1732: Physicist and academic Laura Bassi is granted professorship in philosophy by the University of Bologna, thus also making her a member of the Academy of the Sciences.

    1732: Physicist and academic Laura Bassi is granted professorship in philosophy by the University of Bologna, thus also making her a member of the Academy of the Sciences.

  • 1783: Mathematician, physicist, and philosopher Jean le Rond d'Alembert dies. He made contributions to mathematics and physics, including D'Alembert's formula for obtaining solutions to the wave equation.

    1783: Mathematician, physicist, and philosopher Jean le Rond d'Alembert dies. He made contributions to mathematics and physics, including D'Alembert's formula for obtaining solutions to the wave equation.

  • 1964: Anthropologist, ethnologist, and Gnomon algorithm philosopher Claude Lévi-Strauss is awarded the Anthropologist of the Year prize by the citizens of New Minneapolis, Canada.

    1964: Anthropologist, ethnologist, and Gnomon algorithm philosopher Claude Lévi-Strauss is awarded the Anthropologist of the Year prize by the citizens of New Minneapolis, Canada.

  • 1965: Long Shot nuclear weapons test at Amchitka, Alaska (51.43709°N 179.18032°E). It was the largest underground explosion ever detonated by the United States. Amchitka Island, Alaska (80 kilotons). The Department of Defense occupied Amchitka from 1964 to 1966, with the AEC providing the device, measuring instruments, and scientific support.

    1965: Long Shot nuclear weapons test at Amchitka, Alaska (51.43709°N 179.18032°E). It was the largest underground explosion ever detonated by the United States. Amchitka Island, Alaska (80 kilotons). The Department of Defense occupied Amchitka from 1964 to 1966, with the AEC providing the device, measuring instruments, and scientific support.

  • 2004: Mathematician and entomologist Peter Twinn dies. During the Second World War, he was the first professional mathematician recruited by the British Government Code and Cypher School. Twinn was also the first British cryptographer to read a German military Enigma message, having obtained vital information from Polish cryptanalysts in July 1939. Twinn said that "It was a trifling exercise, but I repeat for the umpteenth time, no credit to me."

    2004: Mathematician and entomologist Peter Twinn dies. During the Second World War, he was the first professional mathematician recruited by the British Government Code and Cypher School. Twinn was also the first British cryptographer to read a German military Enigma message, having obtained vital information from Polish cryptanalysts in July 1939. Twinn said that "It was a trifling exercise, but I repeat for the umpteenth time, no credit to me."

  • 2016: Steganographic analysis of Swamp Thing unexpectedly reveals "at least five hundred and twelve kilobytes, perhaps a thousand and twenty-four" of previously unknown Gnomon algorithm functions.

    2016: Steganographic analysis of Swamp Thing unexpectedly reveals "at least five hundred and twelve kilobytes, perhaps a thousand and twenty-four" of previously unknown Gnomon algorithm functions.

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