Template:Selected anniversaries/October 30: Difference between revisions
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||1961: The Soviet Union detonates the Tsar Bomba over Novaya Zemlya; equivalent to 57 megatons of TNT, it remains the largest explosive device ever detonated, nuclear or otherwise. | ||1961: The Soviet Union detonates the Tsar Bomba over Novaya Zemlya; equivalent to 57 megatons of TNT, it remains the largest explosive device ever detonated, nuclear or otherwise. | ||
||1975: Gustav Ludwig Hertz dies ... physicist and academic, Nobel Prize laureate. | ||1975: Gustav Ludwig Hertz dies ... physicist and academic, Nobel Prize laureate. Pic. | ||
||1976: Alfred Landé dies ... physicist known for his contributions to quantum theory. He is responsible for the Landé g-factor and an explanation of the Zeeman effect. | ||1976: Alfred Landé dies ... physicist known for his contributions to quantum theory. He is responsible for the Landé g-factor and an explanation of the Zeeman effect. | ||
||1979: Barnes Wallis dies ... scientist and engineer, invented the "bouncing bomb". | ||1979: Barnes Wallis dies ... scientist and engineer, invented the "bouncing bomb". Pic. | ||
||1985: Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission. | ||1985: Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission. | ||
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||2012: After Hurricane Sandy came ashore in New Jersey on the 29th, the huge weather system was captured with an overlay to emphasize it's Fibonacci-like structure. *HT to Bob Mrotek for sending me this image. https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-30.html | ||2012: After Hurricane Sandy came ashore in New Jersey on the 29th, the huge weather system was captured with an overlay to emphasize it's Fibonacci-like structure. *HT to Bob Mrotek for sending me this image. https://pballew.blogspot.com/2018/10/on-this-day-in-math-october-30.html | ||
</gallery> | </gallery> | ||
Latest revision as of 14:36, 7 February 2022
1626: Astronomer and mathematician Willebrord Snellius dies. In 1615 he conducted a large-scale experiment to measure the circumference of the earth using triangulation, underestimating the circumference of the earth by 3.5%.
1878: Electrical engineer and inventor Arthur Scherbius born. He will invent and patent the famous mechanical cipher Enigma machine.
1925: Engineer and inventor John Logie Baird creates Britain's first television transmitter.
2008: Mathematician, social activist, and crime-fighter Irving Adler publishes evidence that high-level crimes against mathematical constants have been covered up by the government for decades.
2009: Anthropologist and ethnologist Claude Lévi-Strauss dies. His work was key in the development of the theory of structuralism and structural anthropology.