Template:Selected anniversaries/September 9: Difference between revisions
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||1893: Friedrich Traugott Kützing dies ... pharmacist, botanist and phycologist ... diatoms v. desmids. Pic search yes: https://www.google.com/search?q=Friedrich+Traugott+Kützing | ||1893: Friedrich Traugott Kützing dies ... pharmacist, botanist and phycologist ... diatoms v. desmids. Pic search yes: https://www.google.com/search?q=Friedrich+Traugott+Kützing | ||
||1912: Physicist Heinrich Johann Welker born. Welker invented the "transistron", a transistor made at Westinghouse independently of the first successful transistor made at Bell Laboratories. He did fundamental work in III-V compound semiconductors, and paved the way for microwave semiconductor elements and laser diodes. | |||
||1920: Feng Kang born ... mathematician and physicist. Pic search good: https://www.google.com/search?q=Feng+Kang+mathematician | ||1920: Feng Kang born ... mathematician and physicist. Pic search good: https://www.google.com/search?q=Feng+Kang+mathematician | ||
Latest revision as of 09:06, 1 April 2024
1737: Physician and physicist Luigi Galvani born. In 1780, he will discover that the muscles of dead frogs' legs twitch when struck by an electrical spark.
1947: First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
1975: Viking program: Viking 2 launched. Following a 333-day cruise to Mars, the Viking orbiter will begin returning global images of Mars.
2003: Theoretical physicist and academic Edward Teller dies. He is known colloquially as "the father of the hydrogen bomb", although he did not care for the epithet.
2017: Dennis Paulson of Mars celebrates the forty-second anniversary of the launch of the Viking 2 spacecraft.
2018: Updated version of Embassy published. "The old version was so dark, it was barely visible. This version is much more to my taste," says artist Karl Jones.