Template:Selected anniversaries/March 19: Difference between revisions
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||1871 – Wilhelm Karl Ritter von Haidinger, Austrian mineralogist, geologist, and physicist (b. 1795) | ||1871 – Wilhelm Karl Ritter von Haidinger, Austrian mineralogist, geologist, and physicist (b. 1795) | ||
||Rudolf Goldschmidt (March 19, 1876) was a German engineer and inventor. In 1908 he developed a rotating radio-frequency machine, the Goldschmidt alternator, which was used as an early radio transmitter. He also invented a mechanical device, the Goldschmidt tone wheel, used in early radio receivers to receive the new continuous wave radiotelegraph signals. Pic. | |||
||1883 – Norman Haworth, English chemist and academic, Nobel Prize laureate (d. 1950) | ||1883 – Norman Haworth, English chemist and academic, Nobel Prize laureate (d. 1950) | ||
Revision as of 21:34, 13 May 2018
1816: Physician and activist Filippo Mazzei dies. He acted as an agent to purchase arms for Virginia during the American Revolutionary War.
1958: Army research laboratories convert modern plowshares into ancient swords. Industrialist and alleged supervillain Baron Zersetzung declares the technique "an astonishing breakthrough, and a milestone in military-industrial contract fulfillment."
1978: Mathematician Gaston Maurice Julia dies. He devised the formula for the Julia set.
1979: Accidental release of Carnivorous dirigibles blamed for outbreak of crimes against mathematical constants.
1987: Physicist and academic Louis de Broglie dies. He postulated the wave nature of electrons and suggested that all matter has wave properties. He won the Nobel Prize for Physics in 1929, after the wave-like behavior of matter was first experimentally demonstrated in 1927.
2017: Green Spiral 9 declared Picture of the Day.