Template:Selected anniversaries/July 11: Difference between revisions
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||1924 – César Lattes, Brazilian physicist and academic (d. 2005) | ||1924 – César Lattes, Brazilian physicist and academic (d. 2005) | ||
|| | ||Theodore Harold "Ted" Maiman (b. July 11, 1927) was an American engineer and physicist who was widely, but not universally, credited with the invention of the laser (Others attribute the invention to Gordon Gould). Pic. | ||
File:Tullio Regge.jpg|link=Tullio Regge (nonfiction)|1931: Physicist and academic [[Tullio Regge (nonfiction)|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. | File:Tullio Regge.jpg|link=Tullio Regge (nonfiction)|1931: Physicist and academic [[Tullio Regge (nonfiction)|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. | ||
||1934 – Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off. | ||1934 – Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off. | ||
File:Culvert Origenes and The Governess.jpg|link=Culvert Origenes and The Governess|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]]. | File:Culvert Origenes and The Governess.jpg|link=Culvert Origenes and The Governess|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]]. | ||
Revision as of 15:43, 31 March 2018
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.
1812: Physicist and academic Petrus Leonardus Rijke born. He will explore the physics of electricity, and be known for the Rijke tube (which turns heat into sound, by creating a self-amplifying standing wave).
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.