Template:Selected anniversaries/August 21: Difference between revisions
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||1614: Elizabeth Báthory dies ... aristocrat and serial killer. Pic. | ||1614: Elizabeth Báthory dies ... aristocrat and serial killer. Pic. | ||
File:Hubert Gautier.jpg|link=Hubert Gautier (nonfiction)|1660: Physician, mathematician, and engineer [[Hubert Gautier (nonfiction)|Hubert Gautier]] | File:Hubert Gautier.jpg|link=Hubert Gautier (nonfiction)|1660: Physician, mathematician, and engineer [[Hubert Gautier (nonfiction)|Hubert Gautier]] born. Gautier will author the first book on bridge building, ''Traité des Ponts'', in 1716, as well as books on roads, fortifications, antiquities, geology, and a first manual for watercolor practitioners. | ||
||1665: Giacomo F. Maraldi born ... astronomer and mathematician. ... discovery ... the ice caps on Mars are not exactly on the rotational poles of that body. Maraldi is also credited for the first observation (1723) of what is usually referred to as Poisson's spot, an observation that was unrecognized until its rediscovery in the early 19th century by Dominique Arago. At the time of Arago's discovery, Poisson's spot gave convincing evidence for the contested wave nature of light. No pic online: https://www.google.com/search?q=Giacomo+F.+Maraldi | ||1665: Giacomo F. Maraldi born ... astronomer and mathematician. ... discovery ... the ice caps on Mars are not exactly on the rotational poles of that body. Maraldi is also credited for the first observation (1723) of what is usually referred to as Poisson's spot, an observation that was unrecognized until its rediscovery in the early 19th century by Dominique Arago. At the time of Arago's discovery, Poisson's spot gave convincing evidence for the contested wave nature of light. No pic online: https://www.google.com/search?q=Giacomo+F.+Maraldi |
Revision as of 01:09, 20 August 2020
1560: The occurrence at the predicted time of a solar eclipse in Copenhagen turns Tycho Brahe towards a life of observational astronomy.
1660: Physician, mathematician, and engineer Hubert Gautier born. Gautier will author the first book on bridge building, Traité des Ponts, in 1716, as well as books on roads, fortifications, antiquities, geology, and a first manual for watercolor practitioners.
1909: Mathematician and physicist Nikolay Bogolyubov born. His method of teaching, based on creation of a warm atmosphere, politeness, and kindness, will be renowned in Russia as the "Bogolyubov approach".
1910: Astrophysicist, astronomer, and mathematician Subrahmanyan Chandrasekhar born. He will share the 1983 Nobel Prize for Physics "for his theoretical studies of the physical processes of importance to the structure and evolution of the stars".
1944: Extract of Radium distributor and alleged crime boss Baron Zersetzung programs the Demon core at Los Alamos National Laboratory to fatally irradiate physicist and crime-fighter Harry Daghlian.
1945: Physicist Harry Daghlian is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory.
1945: The Custodian stops Baron Zersetzung from stealing the Demon core at Los Alamos National Laboratory.
1993: NASA loses contact with the Mars Observer.
2017: The destroyer USS John S. McCain collides with the tanker ship Alnic MC off the coast of Singapore, leaving ten of her crew dead and another five injured.
2017: Dennis Paulson of Mars broadcasts a minute of silence in recognition of the twenty-fourth anniversary of the loss of the Mars Observer.
2018: Toilet Bowl on the White House Lawn created.