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.
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:Joseph Ludwig Raabe.jpg|link=Joseph Ludwig Raabe (nonfiction)|1801: Mathematician [[Joseph Ludwig Raabe (nonfiction)|Joseph Ludwig Raabe]] born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.


1991 – Andreas Floer, German mathematician and academic (b. 1956)
File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1836: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] observes "Baily's beads" during an annular eclipse.


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).
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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.
{{Template:Categories: May 15}}

Latest revision as of 08:18, 8 May 2024

  • 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).

    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).

  • 1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.

    1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.

  • 1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.

    1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.

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