Template:Selected anniversaries/August 25: Difference between revisions
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File:Galileo E pur si muove.jpg|link=Galileo Galilei (nonfiction)|1609: [[Galileo Galilei (nonfiction)|Galileo Galilei]] demonstrates his first telescope to Venetian lawmakers. | File:Galileo E pur si muove.jpg|link=Galileo Galilei (nonfiction)|1609: [[Galileo Galilei (nonfiction)|Galileo Galilei]] demonstrates his first telescope to Venetian lawmakers. | ||
File:Charles Camus - Cours de mathématique.jpg|link=Charles Étienne Louis Camus (nonfiction)|1699: Mathematician and mechanician [[Charles Étienne Louis Camus (nonfiction)|Charles Étienne Louis Camus]] born. He will be the author of ''Cours de mathématiques'' (Paris, 1766), along with a number of essays on mathematical and mechanical subjects. | File:Charles Camus - Cours de mathématique.jpg|link=Charles Étienne Louis Camus (nonfiction)|1699: Mathematician and mechanician [[Charles Étienne Louis Camus (nonfiction)|Charles Étienne Louis Camus]] born. He will be the author of ''Cours de mathématiques'' (Paris, 1766), along with a number of essays on mathematical and mechanical subjects. | ||
||1793: Martin Heinrich Rathke born ... physiologist and pathologist who was one of the founders of modern embryology. He was the first to describe the embryonic precursors of gill slits and gill arches in the embryos of higher animals - mammals and birds - which have none when fully grown. Rathke compared the development of the air sacs in birds and the larynx in birds and mammals. In 1839, he traced the origin of the anterior pituitary gland from a depression in the roof of the mouth, which embryonic structure is now known as Rathke's pouch. Rathke also did pioneering work in marine zoology, as being first to describe lancet fish. Pic. | ||1793: Martin Heinrich Rathke born ... physiologist and pathologist who was one of the founders of modern embryology. He was the first to describe the embryonic precursors of gill slits and gill arches in the embryos of higher animals - mammals and birds - which have none when fully grown. Rathke compared the development of the air sacs in birds and the larynx in birds and mammals. In 1839, he traced the origin of the anterior pituitary gland from a depression in the roof of the mouth, which embryonic structure is now known as Rathke's pouch. Rathke also did pioneering work in marine zoology, as being first to describe lancet fish. Pic. | ||
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||1812: Nikolay Zinin born ... organic chemist. Pic: Extreme Moustache! | ||1812: Nikolay Zinin born ... organic chemist. Pic: Extreme Moustache! | ||
File:James Watt.jpg|link=James Watt (nonfiction)|1819: inventor, engineer, and chemist [[James Watt (nonfiction)|James Watt]] dies. He made major improvements to the steam engine. | File:James Watt.jpg|link=James Watt (nonfiction)|1819: inventor, engineer, and chemist [[James Watt (nonfiction)|James Watt]] dies. He made major improvements to the steam engine. | ||
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||1929: The airship Graf Zeppelin passed over San Francisco's Golden Gate Bridge, headed for Los Angeles after a trans-Pacific voyage from Tokyo. Graf Zeppelin, built in 1928, had a trial flight on 18 Sep1928. It left on 11 Oct 1928 for its first transatlantic trip from Germany to Lakehurst, New Jersey, USA. After other flights, the Graf Zeppelin was again at Lakehurst ready to begin a trip around the world. It left there with 40 crew and 22 passengers on 8 Aug 1929, reaching Friedrichshafen, Germany on 10 Aug. After 5 days stopover, it set off for Tokyo, Japan, arriving there on 18 Aug, leaving again on 23 Aug headed for Los Angeles on 26 Aug. Next day it left for Lakehurst, NJ arriving there on 29 Aug 1929 after 12 days in the air.« | ||1929: The airship Graf Zeppelin passed over San Francisco's Golden Gate Bridge, headed for Los Angeles after a trans-Pacific voyage from Tokyo. Graf Zeppelin, built in 1928, had a trial flight on 18 Sep1928. It left on 11 Oct 1928 for its first transatlantic trip from Germany to Lakehurst, New Jersey, USA. After other flights, the Graf Zeppelin was again at Lakehurst ready to begin a trip around the world. It left there with 40 crew and 22 passengers on 8 Aug 1929, reaching Friedrichshafen, Germany on 10 Aug. After 5 days stopover, it set off for Tokyo, Japan, arriving there on 18 Aug, leaving again on 23 Aug headed for Los Angeles on 26 Aug. Next day it left for Lakehurst, NJ arriving there on 29 Aug 1929 after 12 days in the air.« | ||
File:Philo T Farnsworth.jpg|link=Philo Farnsworth (nonfiction)|1934: Inventor [[Philo Farnsworth (nonfiction)|Philo Farnsworth]] demonstrates his electronic television system to the public at the Franklin Institute in Philadelphia. | File:Philo T Farnsworth.jpg|link=Philo Farnsworth (nonfiction)|1934: Inventor [[Philo Farnsworth (nonfiction)|Philo Farnsworth]] demonstrates his electronic television system to the public at the Franklin Institute in Philadelphia. | ||
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File:George Spencer-Brown.jpg|link=George Spencer-Brown (nonfiction)|2016: Polymath [[George Spencer-Brown (nonfiction)|George Spencer-Brown]] dies. Spencer-Brown wrote the unorthodox and influential ''Laws of Form'', calling it the "primary algebra" and the "calculus of indications". | File:George Spencer-Brown.jpg|link=George Spencer-Brown (nonfiction)|2016: Polymath [[George Spencer-Brown (nonfiction)|George Spencer-Brown]] dies. Spencer-Brown wrote the unorthodox and influential ''Laws of Form'', calling it the "primary algebra" and the "calculus of indications". | ||
||2016: James Watson Cronin dies ... particle physicist. Pic. | ||2016: James Watson Cronin dies ... particle physicist. Pic. |
Latest revision as of 12:24, 7 February 2022
1609: Galileo Galilei demonstrates his first telescope to Venetian lawmakers.
1699: Mathematician and mechanician Charles Étienne Louis Camus born. He will be the author of Cours de mathématiques (Paris, 1766), along with a number of essays on mathematical and mechanical subjects.
1819: inventor, engineer, and chemist James Watt dies. He made major improvements to the steam engine.
1934: Inventor Philo Farnsworth demonstrates his electronic television system to the public at the Franklin Institute in Philadelphia.
1948: The House Un-American Activities Committee holds first-ever televised congressional hearing: "Confrontation Day" between Whittaker Chambers and Alger Hiss.
1965: Biochemist Hedley Ralph Marston dies. Marston's research into fallout from the British nuclear tests at Maralinga proved that significant radiation hazards existed at many of the Maralinga sites long after the tests.
2012: Voyager 1 crossed the heliopause to become the first spacecraft to enter interstellar space and study the interstellar medium.
2016: Polymath George Spencer-Brown dies. Spencer-Brown wrote the unorthodox and influential Laws of Form, calling it the "primary algebra" and the "calculus of indications".