Template:Selected anniversaries/August 25: Difference between revisions
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||Hedley Ralph Marston FRS FAA (d. 1965) was an Australian biochemist | ||Hedley Ralph Marston FRS FAA (d. 1965) was an Australian biochemist | ||
||John Ray Dunning (d. August 25, 1975) was an American physicist who played key roles in the Manhattan Project that developed the first atomic bombs. He specialized in neutron physics, and did pioneering work in gaseous diffusion for isotope separation. | |||
||1981 – Voyager 2 spacecraft makes its closest approach to Saturn | ||1981 – Voyager 2 spacecraft makes its closest approach to Saturn | ||
Revision as of 11:52, 29 November 2017
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.
1818: Mechanical soldier Clock Head receives several patents for an improvements to steam engines.
1819: inventor, engineer, and chemist James Watt dies. He made major improvements to the steam engine.
1933: Clock Head 2 publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1934: Inventor Philo Farnsworth demonstrates his electronic television system to the public at the Franklin Institute in Philadelphia.
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. He wrote Laws of Form, calling it the "primary algebra" and the "calculus of indications".
2017: Signed first edition of The Eel Time-Surfing 2 sells for two and a half million dollars.