Template:Selected anniversaries/July 11: Difference between revisions
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||1897 – Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies. | ||1897 – Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies. | ||
||Samuel Abraham Goudsmit (b. July 11, 1902) was a Dutch-American physicist famous for jointly proposing the concept of electron spin with George Eugene Uhlenbeck in 1925. | |||
||1909 – Simon Newcomb, Canadian-American astronomer and mathematician (b. 1835) | ||1909 – Simon Newcomb, Canadian-American astronomer and mathematician (b. 1835) |
Revision as of 15:33, 29 October 2017
1732: Astronomer, freemason, and writer Joseph Jérôme Lefrançois de Lalande born. As a lecturer and writer Lalande will help popularize astronomy. His planetary tables will be the best available up to the end of the 18th century.
1801: Astronomer Jean-Louis Pons makes his first comet discovery. In the next 27 years he discovers another 36 comets, more than any other person in history.
1931: Physicist and academic Tullio Regge born. He and G. Ponzano will develop a quantum version of Regge calculus in three space-time dimensions now known as the Ponzano-Regge model; this will be the first of a whole series of state sum models for quantum gravity known as spin foam models.
1957: Signed first edition of Culvert Origenes and The Governess sells for five hundred thousand dollars in charity benefit for victims of crimes against mathematical constants.
1958: EDSAC, the first practical electronic digital stored-program computer, is shut down, having been superseded by EDSAC 2.
1963: Telstar becomes the world's first communications satellite capable of detecting and preventing crimes against mathematical constants.