Template:Selected anniversaries/May 15: Difference between revisions

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File:English Lottery 1566 Scroll.jpg|link=Lottery (nonfiction)|1570: New method for predicting [[Lottery (nonfiction)|lottery winners]] causes outbreak of [[scrimshaw abuse]].
File:Thomas Fincke.jpg|link=Thomas Fincke (nonfiction)|1579: Mathematician and physicist [[Thomas Fincke (nonfiction)|Thomas Fincke]] invents new type of [[scrying engine]] which pre-visualizes tangents and secants. He will use the engine to detect and expose [[crimes against mathematical constants]].
File:Thomas Fincke.jpg|link=Thomas Fincke (nonfiction)|1579: Mathematician and physicist [[Thomas Fincke (nonfiction)|Thomas Fincke]] invents new type of [[scrying engine]] which pre-visualizes tangents and secants.
File:Euclid's algorithm.svg|link=Algorithm (nonfiction)|1888: Council of [[Algorithm (nonfiction)|algorithms]] announces plans to fund and build a Museum of Algorithms.  
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1900 – Ida Rhodes, American mathematician (d. 1986)
File:Johannes Kepler 1610.jpg|link=Johannes Kepler (nonfiction)|1618: [[Johannes Kepler (nonfiction)|Johannes Kepler]] confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).


1903 – Maria Reiche, German mathematician and archaeologist (d. 1998)
File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1836: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] observes "Baily's beads" during an annular eclipse.


1991 – Andreas Floer, German mathematician and academic (b. 1956)
File:Euclid's algorithm.svg|link=Algorithm (nonfiction)|1888: Council of [[Algorithm (nonfiction)|algorithms]] announces plans to fund and build a Museum of Algorithms.  
 
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1618 – Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
 
1718 – James Puckle, a London lawyer, patents the world's first machine gun.
 
1836 – Francis Baily observes "Baily's beads" during an annular eclipse.
 
1987 – The Soviet Union launches the Polyus prototype orbital weapons platform. It fails to reach orbit.

Revision as of 15:49, 22 April 2017