Template:Selected anniversaries/August 20: Difference between revisions
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|File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | |File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | ||
||1710: Thomas Simpson born ... mathematician and academic. | ||1710: Thomas Simpson born ... mathematician and academic. Pic: book cover. | ||
||1779: Jöns Jacob Berzelius born ... Swedish chemist and academic. | ||1779: Jöns Jacob Berzelius born ... Swedish chemist and academic. | ||
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||1962: The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage. | ||1962: The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage. | ||
||1963: Joan Voûte born ... astronomer and academic. His preliminary account of the parallax of Proxima Centauri was published in 1917, demonstrating that Proxima was the same distance from the Sun as the Alpha Centauri system. Pic. | |||
||1968: Theodore Christian Schneirla dies ... comparative psychologist whose empirical work was based on observations on the behavior patterns of army ants. His "biphasic A-W theory" reduced all behavior to two simple responses: approach and withdrawal -- we approach what causes pleasure, and we withdraw from what causes unpleasure or pain. | ||1968: Theodore Christian Schneirla dies ... comparative psychologist whose empirical work was based on observations on the behavior patterns of army ants. His "biphasic A-W theory" reduced all behavior to two simple responses: approach and withdrawal -- we approach what causes pleasure, and we withdraw from what causes unpleasure or pain. | ||
Revision as of 09:53, 19 February 2019
1672: Mathematician and politician Johan de Witt dies in a riot. The rioters will partially eat his body.
1911: The first cable message sent around the world from the U.S. by commercial telegraph was transmitted from New York City. It read “This message sent around the world,” left the New York Times building at 7:00 pm and was received at 7:16 pm after travelling nearly 29,000 miles through 16 relays via the Azores, Gibraltar, India, Phillipines, Midway, Guam, Hawaii and San Francisco.
1912: Thomas Edison receives U.S. patent No. 1036470 for a “Phonographic Apparatus,” and No. 1036471 for a “Storage Battery.”
1923: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.
1942: The first visible quantity of a plutonium compound, plutonium(IV) iodate, is isolated by nuclear chemists Burris Cunningham and Louis Werner.
1961: Physicist and academic Percy Williams Bridgman dies. He won the 1946 Nobel Prize in Physics for his work on the physics of high pressures.
1962: Mathematician and crime-fighter Alice Beta publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.