Template:Selected anniversaries/July 19: Difference between revisions
No edit summary |
No edit summary |
||
| Line 59: | Line 59: | ||
||1963 – Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100 km, this flight qualifies as a human spaceflight under international convention. | ||1963 – Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100 km, this flight qualifies as a human spaceflight under international convention. | ||
||Alvin Cushman Graves (d. July 19, 1965) was an American nuclear physicist who served at the Manhattan Project's Metallurgical Laboratory and the Los Alamos Laboratory during World War II. After the war, he became the head of J (Test) Division at Los Alamos, and was director or assistant director of numerous nuclear weapons tests during the 1940s and 1950s. Pic. | |||
||1977 – The world's first Global Positioning System (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at Rockwell Collins in Cedar Rapids, Iowa, at 12:41 a.m. Eastern time (ET).[1] | ||1977 – The world's first Global Positioning System (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at Rockwell Collins in Cedar Rapids, Iowa, at 12:41 a.m. Eastern time (ET).[1] | ||
Revision as of 07:50, 24 March 2018
1631: Philosopher and academic Cesare Cremonini dies. His work promoted rationalism (against revelation) and Aristotelian materialism (against the dualist immortality of the soul) inside scholasticism.
1632: Mathematician and linguist Claude Gaspard Bachet de Méziriac discovers a new method of constructing magic squares, which he will soon use to detect and prevent crimes against mathematical constants.
1814: Engineer and businessman Samuel Colt born. He will found Colt's Manufacturing Company.
1893: Famed gem detective and diplomat Niles Cartouchian foils villains, returns stolen relics, brokers peace accord.
1894: Mathematician and academic Aleksandr Khinchin born. He will become one of the founders of modern probability theory.
1895: Celebrity time-traveller Radium Jane says that Extract of Radium gives her the steady nerves she needs to fight crimes against mathematical constants.
1982: Physicist Hugh Everett III dies. He proposed the many-worlds interpretation (MWI) of quantum physics.
1984: New type of Lorenz system displays artificial intelligence, forecasts crimes against mathematical constants up to ten megabytes per fluid minute in advance.