Template:Selected anniversaries/December 21: Difference between revisions
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||2016: Sidney David Drell dies ... theoretical physicist and arms control expert. Pic search: https://www.google.com/search?q=Sidney+David+Drell | ||2016: Sidney David Drell dies ... theoretical physicist and arms control expert. Pic search: https://www.google.com/search?q=Sidney+David+Drell | ||
File:Traveller.jpg|link=Traveller (nonfiction)|2016: Signed first edition of ''[[Traveller (nonfiction)|Traveller]]'' used in [[high-energy literature]] | File:Traveller.jpg|link=Traveller (nonfiction)|2016: Signed first edition of ''[[Traveller (nonfiction)|Traveller]]'' used in otherwise routine [[high-energy literature]] experiment unexpectedly develops [[Artificial intelligence (nonfiction)|artificial intelligence]]. | ||
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Revision as of 12:23, 17 December 2020
1807: Mathematician Joseph Fourier announced to the French Academy of Science that an arbitrary function could be expanded as an infinite series of sines and cosines (now known as the Fourier series).
1878: Mathematician and philosopher Jan Łukasiewicz born. He will think innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle.
1913: Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
1974: Fantasy Voronoi diagram upstages Fantasy Football.
1976: Chronography of 354 wins Pulitzer Prize.
1984: Mandelbrot set develops artificial intelligence, discovers new class of Gnomon algorithm functions.
2016: Signed first edition of Traveller used in otherwise routine high-energy literature experiment unexpectedly develops artificial intelligence.