Template:Selected anniversaries/September 21: Difference between revisions
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||1926: Léon Charles Thévenin dies ... telegraph engineer ... He extended Ohm's law to the analysis of complex electrical circuits. Pic. | ||1926: Léon Charles Thévenin dies ... telegraph engineer ... He extended Ohm's law to the analysis of complex electrical circuits. Pic. | ||
||1926: Donald A. Glaser born ... physicist and neurobiologist, Nobel Prize laureate. | ||1926: Donald A. Glaser born ... physicist and neurobiologist, Nobel Prize laureate. Bubble chamber. Pic. | ||
||1927: Yuri Andreevich Yappa born ... theoretical physicist. He is known for publications on particle physics, quantum field theory, General Relativity, philosophy of science, and for his graduate texts on classical electrodynamics and theory of spinors. Pic. | ||1927: Yuri Andreevich Yappa born ... theoretical physicist. He is known for publications on particle physics, quantum field theory, General Relativity, philosophy of science, and for his graduate texts on classical electrodynamics and theory of spinors. Pic. | ||
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||1942: The Boeing B-29 Superfortress makes its maiden flight. | ||1942: The Boeing B-29 Superfortress makes its maiden flight. | ||
||1950: Edward Arthur Milne dies ... astrophysicist and mathematician. | ||1950: Edward Arthur Milne dies ... astrophysicist and mathematician. Pic. | ||
||1954: Mikimoto Kōkichi dies ... entrepreneur who is credited with creating the first cultured pearl and subsequently starting the cultured pearl industry with the establishment of his luxury pearl company Mikimoto. Pic. | ||1954: Mikimoto Kōkichi dies ... entrepreneur who is credited with creating the first cultured pearl and subsequently starting the cultured pearl industry with the establishment of his luxury pearl company Mikimoto. Pic. | ||
Revision as of 08:33, 15 April 2019
1576: Gerolamo Cardano dies. He was one of the most influential mathematicians of the Renaissance.
1577: Mathematician, cosmographer, and crime-fighter Pedro Nunes publishes new class of Gnomon algorithm functions based on navigation and cartography to detect and prevent crimes against mathematical constants at sea.
1688: Mathematician and scientist Vincenzo Viviani publishes new theory of acoustics which uses Gnomon algorithm functions to detect and prevent crimes against physical constants.
![1781: Joseph-Louis Lagrange writes to d'Alembert: "It appears to me also that the mine [of mathematics] is already very deep and that unless one discovers new veins it will be necessary sooner or later to abandon it." This view is prevalent at the end of the eighteenth century.](/w/images/thumb/c/c8/Joseph-Louis_Lagrange.jpg/107px-Joseph-Louis_Lagrange.jpg)
1781: Joseph-Louis Lagrange writes to d'Alembert: "It appears to me also that the mine [of mathematics] is already very deep and that unless one discovers new veins it will be necessary sooner or later to abandon it." This view is prevalent at the end of the eighteenth century.
1792: French Revolution: The National Convention declares France a republic and abolishes the absolute monarchy.
1853: Physicist and academic Heike Kamerlingh Onnes born. He will receive widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium".
1854: Signed first edition of Leonardo Draws Clock Head sells fifty thousand dollars.
2018: Signed first edition of Spiral used in high-energy literature experiments unexpectedly develops spontaneous artificial intelligence.