Template:Selected anniversaries/October 23: Difference between revisions
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||Samuel Morey (October 23, 1762 – April 17, 1843) was an American inventor, who worked on early internal combustion engines and was a pioneer in steamships who accumulated a total of 20 patents. | |||
||1774 – Michel Benoist, French missionary and astronomer (b. 1715) | ||1774 – Michel Benoist, French missionary and astronomer (b. 1715) | ||
Revision as of 10:10, 29 October 2017
1873: Physicist and engineer William D. Coolidge born. He will make major contributions to X-ray machines, and develop ductile tungsten for incandescent light bulbs.
1973: Watergate scandal: President Richard M. Nixon agrees to turn over subpoenaed audio tapes of his Oval Office conversations.
2014: Physicist and academic Tullio Regge dies. In 1968 he and G. Ponzano developed a quantum version of Regge calculus in three space-time dimensions now known as the Ponzano-Regge model; this was the first of a whole series of state sum models for quantum gravity known as spin foam models.
2016: Steganographic analysis of The Eel Time-Surfing reveals quantum gravity control software based on spin foam models.