Template:Selected anniversaries/November 9: Difference between revisions

Revision as of 12:41, 26 December 2017

1885: Mathematician, physicist, and philosopher Hermann Weyl born. He will be one of the most influential mathematicians of the twentieth century: his research will have major significance for theoretical physics as well as purely mathematical disciplines including number theory.
1922: Mathematician, philosopher, and academic Imre Lakatos born. He will be known for his thesis of the fallibility of mathematics and its 'methodology of proofs and refutations' in its pre-axiomatic stages of development.
2005: The Venus Express mission of the European Space Agency is launched from the Baikonur Cosmodrome in Kazakhstan.
2017: First use of Weyl semimetal crystals as a quantum time machine which detects and prevents crimes against mathematical constants.

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 ||1994 – The chemical element darmstadtium is discovered.
+||Carl Gustav "Peter" Hempel (d. November 9, 1997) was a German writer and philosopher. He was a major figure in logical empiricism, a 20th-century movement in the philosophy of science. He is especially well known for his articulation of the deductive-nomological model of scientific explanation, which was considered the "standard model" of scientific explanation during the 1950s and 1960s. He is also known for the raven paradox (also known as "Hempel's paradox").
 File:Venus Express in orbit.jpg|link=Venus Express (nonfiction)|2005: The [[Venus Express (nonfiction)|Venus Express]] mission of the European Space Agency is launched from the Baikonur Cosmodrome in Kazakhstan.