Template:Selected anniversaries/February 20: Difference between revisions

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File:Jean-Jacques d'Ortous de Mairan.png|link=Jean-Jacques d'Ortous de Mairan (nonfiction)|1771: Geophysicist, astronomer, and biologist [[Jean-Jacques d'Ortous de Mairan (nonfiction)|Jean-Jacques d'Ortous de Mairan]] dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.
File:Jean-Jacques d'Ortous de Mairan.png|link=Jean-Jacques d'Ortous de Mairan (nonfiction)|1771: Geophysicist, astronomer, and biologist [[Jean-Jacques d'Ortous de Mairan (nonfiction)|Jean-Jacques d'Ortous de Mairan]] dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.
File:Nicole-Reine Lepaute.jpg|link=Nicole-Reine Lepaute (nonfiction)|1771: Astronomer, mathematician, and crime-fighter [[Nicole-Reine Lepaute (nonfiction)|Nicole-Reine Lepaute]] construct a group of catalogs for the stars which are at risk of [[crimes against astronomical constants]].


File:Laura Bassi.jpg|link=Laura Bassi (nonfiction)|1788: Physicist and academic [[Laura Bassi (nonfiction)|Laura Bassi]] dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.
File:Laura Bassi.jpg|link=Laura Bassi (nonfiction)|1788: Physicist and academic [[Laura Bassi (nonfiction)|Laura Bassi]] dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.
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||1943 – American movie studio executives agree to allow the Office of War Information to censor movies.
||1943 – American movie studio executives agree to allow the Office of War Information to censor movies.


File:Janet Beta Accepts Commission (detail).jpg|link=Janet Beta|1947: Mathematician and military intelligence officer [[Janet Beta]] privately warns Eleanor Roosevelt that a recent wave of [[crimes against mathematical constants]] will only get worse under a military-industrial economy in a permanent state of emergency.
File:Atlas-B rocket with SCORE payload.jpg|link=SCORE (satellite) (nonfiction)|1958: [[SCORE (satellite) (nonfiction)|Project SCORE satellite]] equipped with [[Gnomon algorithm]] control system.
 
|File:Atlas-B rocket with SCORE payload.jpg|link=SCORE (satellite) (nonfiction)|1958: [[SCORE (satellite) (nonfiction)|Project SCORE satellite]] equipped with [[Gnomon algorithm]] control system.


||1962 – Mercury program: While aboard Friendship 7, John Glenn becomes the first American to orbit the earth, making three orbits in four hours, 55 minutes.
||1962 – Mercury program: While aboard Friendship 7, John Glenn becomes the first American to orbit the earth, making three orbits in four hours, 55 minutes.
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|File:AESOP.jpg|link=AESOP|[[AESOP]] said to be cause of prophetic dreams among the [[Mir (nonfiction)|Mir]] astronauts.
|File:AESOP.jpg|link=AESOP|[[AESOP]] said to be cause of prophetic dreams among the [[Mir (nonfiction)|Mir]] astronauts.


|File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1987: New class of [[Fantasy Voronoi diagrams]] uses [[Gnomon algorithm]] to [[Computation (nonfiction)|compute]] record-breaking profits.
File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1987: New class of [[Fantasy Voronoi diagrams]] uses [[Gnomon algorithm]] to [[Computation (nonfiction)|compute]] record-breaking profits.


||Takeo Yoshikawa (d. February 20, 1993) was a Japanese spy in Hawaii before the attack on Pearl Harbor on December 7, 1941.
||Takeo Yoshikawa (d. February 20, 1993) was a Japanese spy in Hawaii before the attack on Pearl Harbor on December 7, 1941.
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|File:Zero knowledge proof.png|link=Zero-knowledge proof (nonfiction)|2015: Advances in [[Zero-knowledge proof (nonfiction)|zero-knowledge proof]] theory "are central to the problem of mathematical reliability," says mathematician and crime-fighter [[Alice Beta]].
|File:Zero knowledge proof.png|link=Zero-knowledge proof (nonfiction)|2015: Advances in [[Zero-knowledge proof (nonfiction)|zero-knowledge proof]] theory "are central to the problem of mathematical reliability," says mathematician and crime-fighter [[Alice Beta]].


|File:Pin Man.jpg|link=Pin Man|2016: Steganographic analysis of [[Pin Man]] illustration reveals "several hundred gigabytes of encrypted data related to the [[Carnevale Tenebre]] program."
File:Pin Man.jpg|link=Pin Man|2016: Steganographic analysis of [[Pin Man]] illustration reveals "several hundred gigabytes of encrypted data related to the [[Carnevale Tenebre]] program."


||2017 – Mildred Dresselhaus, American physicist (b. 1930)
||2017 – Mildred Dresselhaus, American physicist (b. 1930)
File:Game of Chance midsize sketch.jpg|link=Game of Chance (Gnomon Chronicles)|Midsize sketch from ''[[Game of Chance (Gnomon Chronicles)|Game of Chance]]'', subjected to steganographic analysis, unexpectedly reveals nine hundred gigabytes of encrypted data.


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Revision as of 20:23, 19 February 2018

  • 1771: Geophysicist, astronomer, and biologist Jean-Jacques d'Ortous de Mairan dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.

    1771: Geophysicist, astronomer, and biologist Jean-Jacques d'Ortous de Mairan dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.

  • 1788: Physicist and academic Laura Bassi dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.

    1788: Physicist and academic Laura Bassi dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.

  • 1958: Project SCORE satellite equipped with Gnomon algorithm control system.

    1958: Project SCORE satellite equipped with Gnomon algorithm control system.

  • 1972: Physicist and academic Maria Goeppert-Mayer dies. She developed a mathematical model for the structure of nuclear shells, for which she was awarded the Nobel Prize in Physics in 1963, which she shared with J. Hans D. Jensen and Eugene Wigner.

    1972: Physicist and academic Maria Goeppert-Mayer dies. She developed a mathematical model for the structure of nuclear shells, for which she was awarded the Nobel Prize in Physics in 1963, which she shared with J. Hans D. Jensen and Eugene Wigner.

  • 1986: The Soviet Union launches its Mir spacecraft. Remaining in orbit for 15 years, it is occupied for ten of those years.

    1986: The Soviet Union launches its Mir spacecraft. Remaining in orbit for 15 years, it is occupied for ten of those years.

  • 1987: New class of Fantasy Voronoi diagrams uses Gnomon algorithm to compute record-breaking profits.

    1987: New class of Fantasy Voronoi diagrams uses Gnomon algorithm to compute record-breaking profits.

  • 2016: Steganographic analysis of Pin Man illustration reveals "several hundred gigabytes of encrypted data related to the Carnevale Tenebre program."

    2016: Steganographic analysis of Pin Man illustration reveals "several hundred gigabytes of encrypted data related to the Carnevale Tenebre program."

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