Template:Selected anniversaries/April 24: Difference between revisions
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||1997 – Eugene Stoner, American engineer, designed the AR-15 rifle (b. 1922) | ||1997 – Eugene Stoner, American engineer, designed the AR-15 rifle (b. 1922) | ||
||George Michael Volkoff (d. April 24, 2000) was a Canadian physicist and academic who helped, with J. Robert Oppenheimer, predict the existence of neutron stars before they were discovered. Pic. | |||
</gallery> | </gallery> | ||
Revision as of 06:43, 1 April 2018
1656: Mathematician and physicist Thomas Fincke dies. He introduced the modern names of the trigonometric functions tangent and secant.
1863: Printer, inventor, and crime-fighter Édouard-Léon Scott de Martinville patents new type of phonoautograph, which records crimes against mathematical constants as photographic images.
1914: The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
1915: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.
1967: Cosmonaut Vladimir Komarov dies in Soyuz 1 when its parachute fails to open. He is the first human to die during a space mission.