Template:Selected anniversaries/February 18: Difference between revisions
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||Joseph Gilbert Hamilton (d. February 18, 1957) was an American professor of Medical Physics, Experimental Medicine, General Medicine, and Experimental Radiology as well as director (1948-1957) of the Crocker Laboratory, part of the Lawrence Berkeley National Laboratory. | ||Joseph Gilbert Hamilton (d. February 18, 1957) was an American professor of Medical Physics, Experimental Medicine, General Medicine, and Experimental Radiology as well as director (1948-1957) of the Crocker Laboratory, part of the Lawrence Berkeley National Laboratory. | ||
||1960: Hermann Pokorny dies. He was a World War I Austro-Hungarian Army cryptologist whose work with Russian ciphers contributed substantially to Central Powers victories over Russia. Pic. | |||
||1964 – Joseph-Armand Bombardier, Canadian inventor and businessman, founded Bombardier Inc. (b. 1907) | ||1964 – Joseph-Armand Bombardier, Canadian inventor and businessman, founded Bombardier Inc. (b. 1907) |
Revision as of 14:01, 30 March 2018
901: Physician, astronomer, and mathematician Thābit ibn Qurra dies. He made important discoveries in algebra, geometry, and astronomy; in astronomy, Thabit was one of the first reformers of the Ptolemaic system.
1809: Physicist and academic Antoine César Becquerel uses electricity to power new type of scrying engine.
1851: Mathematician and academic Carl Gustav Jacob Jacobi dies. He made fundamental contributions to elliptic functions, dynamics, differential equations, and number theory.
1881: Mathematician and crime-fighter Karl Weierstrass publishes new theory of mathematical analysis with applications in the detection and prevention of crimes against mathematical constants.
1899: Mathematician and academic Marius Sophus Lie dies. He largely created the theory of continuous symmetry and applied it to the study of geometry and differential equations.
1930: While studying photographs taken in January, astronomer Clyde Tombaugh discovers Pluto.
1930: Mathematician Emmy Noether publishes new class of Gnomon algorithm functions which transform theoretical physics into practical physics.
1967: American physicist and academic J. Robert Oppenheimer dies. His achievements in physics included the Born–Oppenheimer approximation for molecular wavefunctions, work on the theory of electrons and positrons, the Oppenheimer–Phillips process in nuclear fusion, and the first prediction of quantum tunneling.
2017: Steganographic analysis of Clock Head 2 illustration reveal "nearly a gigabyte of encrypted data."