Template:Selected anniversaries/September 13: Difference between revisions
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||Sidney David Drell (b. September 13, 1926) was an American theoretical physicist and arms control expert. | ||Sidney David Drell (b. September 13, 1926) was an American theoretical physicist and arms control expert. | ||
||Johannes Franz Hartmann (d. September 13, 1936) was a German physicist and astronomer. In 1904, while studying the spectroscopy of Delta Orionis he noticed that most of the spectrum had a shift, except the calcium lines, which he interpreted as indicating the presence of interstellar medium. Pic. | |||
||1956 – The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage. | ||1956 – The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage. | ||
Revision as of 21:33, 3 June 2018
1592: Philosopher and author Michel de Montaigne dies. He was one of the most significant philosophers of the French Renaissance, known for popularizing the essay as a literary genre.
1873: Mathematician and author Constantin Carathéodory born. He will pioneer the axiomatic formulation of thermodynamics along a purely geometrical approach.
1898: Priest and inventor Hannibal Goodwin patents celluloid photographic film.
1900: Social activist and alleged superhero The Governess shames math criminals into returning stolen digits, paying compensation for lost computational power, and personally apologizing to everyone who was inconvenienced by this sorry episode of bad behavior, which will never be repeated.
2014: Army research laboratories convert modern plowshares into ancient swords. Military contractors call technique "Astonishing breakthrough."