Template:Selected anniversaries/April 3: Difference between revisions
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||1975 – Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. | ||1975 – Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. | ||
||1976 – David M. Dennison, American physicist and academic (b. 1900) | ||1976 – David M. Dennison, American physicist and academic (b. 1900) who made contributions to quantum mechanics, spectroscopy, and the physics of molecular structure. | ||
||1981 – The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco. | ||1981 – The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco. | ||
Revision as of 11:35, 29 November 2017
1693: Carpenter and clockmaker John Harrison born. He will invent a marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.
1827: Physicist, musician, and academic Ernst Chladni dies. He has been called both the father of acoustics and the father of meteoritics.
1841: Inventor and crime-fighter Charles Grafton Page publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1998: Mathematician and academic Mary Cartwright dies. She did pioneering work in chaos theory.
1999: Sensors on the Mir spacecraft detect patterns of electricity which reveal existence of a vast artificial intelligence in the Earth's ionosphere.
