Template:Selected anniversaries/September 30: Difference between revisions

Revision as of 16:24, 31 March 2018

1550: Astronomer and mathematician Michael Maestlin born. He will be a mentor to Johannes Kepler, and play a sizable part in his adoption of the Copernican system.
1881: Council of algorithms announces plans to fund and build a Museum of Algorithms.
1882: Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation on the Fox River in Appleton, Wisconsin, United States.
1913: Mathematician Samuel Eilenberg born. He will co-found category theory with Saunders Mac Lane, and propose the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).
2018: Dard Hunter, Glyph Warden wins three Retroactive Academy Awards for Lifetime Achievement.

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 ||1999 – The Tokaimura nuclear accident causes the deaths of two technicians in Japan's second-worst nuclear accident.
-File:Similar Golden Rectangles.png|link=Golden ratio (nonfiction)|Artificial intelligence based on the [[Golden ratio (nonfiction)|Golden ratio]] develops genuine gratitude for [[Michael Maestlin (nonfiction)|Michael Maestlin]]'s approximation of the [[Golden ratio (nonfiction)|Golden ratio]].
+|File:Similar Golden Rectangles.png|link=Golden ratio (nonfiction)|Artificial intelligence based on the [[Golden ratio (nonfiction)|Golden ratio]] develops genuine gratitude for [[Michael Maestlin (nonfiction)|Michael Maestlin]]'s approximation of the [[Golden ratio (nonfiction)|Golden ratio]].
+||Martin Lewis Perl (d. September 30, 2014) was an American physicist who won the Nobel Prize in Physics in 1995 for his discovery of the tau lepton. Pic.
 ||Vladimir Alexandrovich Voevodsky (d. 30 September 2017) was a Russian-American mathematician. His work in developing a homotopy theory for algebraic varieties and formulating motivic cohomology led to the award of a Fields Medal in 2002.  Pic.