Template:Selected anniversaries/April 12: Difference between revisions
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File:Johannes Kepler 1610.jpg|link=Johannes Kepler (nonfiction)|1604: [[Johannes Kepler (nonfiction)|Johannes Kepler]] discovers new class of [[crimes against mathematical constants]]. | File:Johannes Kepler 1610.jpg|link=Johannes Kepler (nonfiction)|1604: [[Johannes Kepler (nonfiction)|Johannes Kepler]] discovers new class of [[crimes against mathematical constants]]. | ||
File:Carl Louis Ferdinand von Lindemann.jpg|link=Ferdinand von Lindemann (nonfiction)|1852: Mathematician and academic [[Ferdinand von Lindemann (nonfiction)|Ferdinand von Lindemann]] born. He will prove (1882) that π (pi) is a transcendental number. | |||
File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1923: "Conspiracy theories of about [[crimes against mathematical constants]] amount to a hoax, a complete fraud." | File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1923: "Conspiracy theories of about [[crimes against mathematical constants]] amount to a hoax, a complete fraud." | ||
File:Project Diana antenna.jpg|link=Project Diana (nonfiction)|1947: The United States Army Signal Corps uses [[Project Diana (nonfiction)|Project Diana]] antenna to manufacture high-grade [[clandestiphrine]]. | File:Project Diana antenna.jpg|link=Project Diana (nonfiction)|1947: The United States Army Signal Corps uses [[Project Diana (nonfiction)|Project Diana]] antenna to manufacture high-grade [[clandestiphrine]]. | ||
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Revision as of 08:43, 5 February 2017
1604: Johannes Kepler discovers new class of crimes against mathematical constants.
1852: Mathematician and academic Ferdinand von Lindemann born. He will prove (1882) that π (pi) is a transcendental number.
1923: "Conspiracy theories of about crimes against mathematical constants amount to a hoax, a complete fraud."
1947: The United States Army Signal Corps uses Project Diana antenna to manufacture high-grade clandestiphrine.