Template:Selected anniversaries/October 30: Difference between revisions

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||1207: Oldest recorded solar eclipse identified ... mentioned in the Bible. Using a combination of the biblical text and an ancient Egyptian text, researchers were able to refine the dates of the Egyptian pharaohs, in particular the dates of the reign of Ramesses the Great. https://www.dnaindia.com/science/report-oldest-recorded-solar-eclipse-identified-2556386
||1207: Oldest recorded solar eclipse identified ... mentioned in the Bible. Using a combination of the biblical text and an ancient Egyptian text, researchers were able to refine the dates of the Egyptian pharaohs, in particular the dates of the reign of Ramesses the Great. https://www.dnaindia.com/science/report-oldest-recorded-solar-eclipse-identified-2556386


File:Willebrord Snellius.jpg|link=|1626: Astronomer and mathematician [[Willebrord Snellius (nonfiction)|Willebrord Snellius]] dies. In 1615 he conducted a large-scale experiment to measure the circumference of the earth using triangulation, underestimating the circumference of the earth by 3.5%.
File:Willebrord Snellius.jpg|link=Willebrord Snellius (nonfiction)|1626: Astronomer and mathematician [[Willebrord Snellius (nonfiction)|Willebrord Snellius]] dies. In 1615 he conducted a large-scale experiment to measure the circumference of the earth using triangulation, underestimating the circumference of the earth by 3.5%.
 
||1632: Christopher Wren born ... physicist, mathematician, and architect, designed St Paul's Cathedral. Pic.


||1735: Benjamin Franklin published "On the Usefulness of Mathematics," his only published article on mathematics, in the Pennsylvania Gazette.  
||1735: Benjamin Franklin published "On the Usefulness of Mathematics," his only published article on mathematics, in the Pennsylvania Gazette.  
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||1844: Georges Henri Halphen born ... mathematician. He was known for his work in geometry, particularly in enumerative geometry and the singularity theory of algebraic curves, in algebraic geometry.  Pic.
||1844: Georges Henri Halphen born ... mathematician. He was known for his work in geometry, particularly in enumerative geometry and the singularity theory of algebraic curves, in algebraic geometry.  Pic.


||1857: Georges Gilles de la Tourette born ... physician and neurologist.
||1857: Georges Gilles de la Tourette born ... physician and neurologist. Pic.


||1864: Helena, Montana is founded after four prospectors discover gold at "Last Chance Gulch".
||1864: Helena, Montana is founded after four prospectors discover gold at "Last Chance Gulch".
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||1895: Dickinson W. Richards born ... physician and physiologist, Nobel Prize laureate.
||1895: Dickinson W. Richards born ... physician and physiologist, Nobel Prize laureate.
||1900: Ragnar Granit born ... neuroscientist and academic ... awarded the Nobel Prize in Physiology or Medicine in 1967 along with Haldan Keffer Hartline and George Wald "for their discoveries concerning the primary physiological and chemical visual processes in the eye". Pic (cool tech!).


||1903: Leonarde Keeler born ... co-inventor of the polygraph. Pic.
||1903: Leonarde Keeler born ... co-inventor of the polygraph. Pic.


||1906: Andrey Nikolayevich Tikhonov born ... mathematician and geophysicist known for important contributions to topology, functional analysis, mathematical physics, and ill-posed problems. He was also one of the inventors of the magnetotellurics method in geophysics.  
||1906: Andrey Nikolayevich Tikhonov born ... mathematician and geophysicist known for important contributions to topology, functional analysis, mathematical physics, and ill-posed problems. He was also one of the inventors of the magnetotellurics method in geophysics. Pic.


||1907: Harold Davenport born ... mathematician, known for his extensive work in number theory. Pic.
||1907: Harold Davenport born ... mathematician, known for his extensive work in number theory. Pic.


||1909: Homi J. Bhabha born ... physicist and academic.
||1909: Homi J. Bhabha born ... physicist and academic. Pic.
 
File:Ascleplius Myrmidon Ypres ruins 1915.jpg|link=Asclepius Myrmidon|1916:  Time-travelling physician-warrior [[Asclepius Myrmidon]] arrives during a machine gun attack in western Europe, sets up emergency field hospital.


||1920: Naum Yakovlevich Vilenkin born ... mathematician, an expert in combinatorics. He is best known as the author of many books in recreational mathematics aimed at middle and high school students. Pic: https://www.goodreads.com/author/show/944039.N_Ya_Vilenkin
||1920: Naum Yakovlevich Vilenkin born ... mathematician, an expert in combinatorics. He is best known as the author of many books in recreational mathematics aimed at middle and high school students. Pic: https://www.goodreads.com/author/show/944039.N_Ya_Vilenkin
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File:John Logie Baird 1917.jpg|link=John Logie Baird (nonfiction)|1925: Engineer and inventor [[John Logie Baird (nonfiction)|John Logie Baird]] creates Britain's first television transmitter.
File:John Logie Baird 1917.jpg|link=John Logie Baird (nonfiction)|1925: Engineer and inventor [[John Logie Baird (nonfiction)|John Logie Baird]] creates Britain's first television transmitter.


||1926: Fabrizio de Miranda born ... bridges and structural engineer and university professor.
||1926: Fabrizio de Miranda born ... bridges and structural engineer and university professor. Pic.


||1928: Daniel Nathans born ... microbiologist and academic, Nobel Prize laureate.
||1928: Daniel Nathans born ... microbiologist and academic, Nobel Prize laureate. Pic.


||1938: Marina Ratner born ... professor of mathematics at the University of California, Berkeley who worked in ergodic theory. She proved a group of major theorems concerning unipotent flows on homogeneous spaces, known as Ratner's theorems. Pic.
||1938: Marina Ratner born ... professor of mathematics at the University of California, Berkeley who worked in ergodic theory. She proved a group of major theorems concerning unipotent flows on homogeneous spaces, known as Ratner's theorems. Pic.
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||1961: The Soviet Union detonates the Tsar Bomba over Novaya Zemlya; equivalent to 57 megatons of TNT, it remains the largest explosive device ever detonated, nuclear or otherwise.
||1961: The Soviet Union detonates the Tsar Bomba over Novaya Zemlya; equivalent to 57 megatons of TNT, it remains the largest explosive device ever detonated, nuclear or otherwise.


||1975: Gustav Ludwig Hertz dies ... physicist and academic, Nobel Prize laureate.
||1975: Gustav Ludwig Hertz dies ... physicist and academic, Nobel Prize laureate. Pic.


||1976: Alfred Landé dies ... physicist known for his contributions to quantum theory. He is responsible for the Landé g-factor and an explanation of the Zeeman effect.
||1976: Alfred Landé dies ... physicist known for his contributions to quantum theory. He is responsible for the Landé g-factor and an explanation of the Zeeman effect.


||1979: Barnes Wallis dies ... scientist and engineer, invented the "bouncing bomb".
||1979: Barnes Wallis dies ... scientist and engineer, invented the "bouncing bomb". Pic.


||1985: Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission.
||1985: Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission.
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||2012: After Hurricane Sandy came ashore in New Jersey on the 29th, the huge weather system was captured with an overlay to emphasize it's Fibonacci-like structure. *HT to Bob Mrotek for sending me this image. https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-30.html
||2012: After Hurricane Sandy came ashore in New Jersey on the 29th, the huge weather system was captured with an overlay to emphasize it's Fibonacci-like structure. *HT to Bob Mrotek for sending me this image. https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-30.html
File:Blue Green Blossom.jpg|link=Blue Green Blossom (nonfiction)|2016: Signed first edition of ''[[Blue Green Blossom (nonfiction)|Blue Green Blossom]]'' used in [[high-energy literature]] experiment develops [[Artificial intelligence (nonfiction)|artificial intelligence]], demands copyright autonomy.
File:Asclepius Myrmidon Prepares for Emergency Field Surgery.jpg|link=Asclepius Myrmidon Prepares for Emergency Field Surgery|2017: Steganographic analysis of the well-known illustration ''Asclepius Myrmidon Prepares for Emergency Field Surgery'' reveals nearly two terabytes of encrypted data.


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Latest revision as of 14:36, 7 February 2022

  • 1626: Astronomer and mathematician Willebrord Snellius dies. In 1615 he conducted a large-scale experiment to measure the circumference of the earth using triangulation, underestimating the circumference of the earth by 3.5%.

    1626: Astronomer and mathematician Willebrord Snellius dies. In 1615 he conducted a large-scale experiment to measure the circumference of the earth using triangulation, underestimating the circumference of the earth by 3.5%.

  • 1878: Electrical engineer and inventor Arthur Scherbius born. He will invent and patent the famous mechanical cipher Enigma machine.

    1878: Electrical engineer and inventor Arthur Scherbius born. He will invent and patent the famous mechanical cipher Enigma machine.

  • 1925: Engineer and inventor John Logie Baird creates Britain's first television transmitter.

    1925: Engineer and inventor John Logie Baird creates Britain's first television transmitter.

  • 2008: Mathematician, social activist, and crime-fighter Irving Adler publishes evidence that high-level crimes against mathematical constants have been covered up by the government for decades.

    2008: Mathematician, social activist, and crime-fighter Irving Adler publishes evidence that high-level crimes against mathematical constants have been covered up by the government for decades.

  • 2009: Anthropologist and ethnologist Claude Lévi-Strauss dies. His work was key in the development of the theory of structuralism and structural anthropology.

    2009: Anthropologist and ethnologist Claude Lévi-Strauss dies. His work was key in the development of the theory of structuralism and structural anthropology.

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