Template:Selected anniversaries/January 11: Difference between revisions
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||1872: George Washington Pierce dies ... inventor who was a pioneer in radiotelephony and a noted teacher of communication engineering. He did work that led to the practical application of a variety of experimental discoveries in piezoelectricity and magnetostriction. He developed the Pierce oscillator, which utilizes quartz crystal to keep radio transmissions precisely on the assigned frequency and to provide similar accuracy for frequency meters. His other accomplishments include the mathematical calculation of the radiation properties of radio antennae; invention of the mercury-vapor discharge tube, which was the forerunner of the thyratron; invention of a method of recording sound on film; and sound generation by bats and insects. Pic: https://web2.ph.utexas.edu/utphysicshistory/GeorgeWPierce.html | ||1872: George Washington Pierce dies ... inventor who was a pioneer in radiotelephony and a noted teacher of communication engineering. He did work that led to the practical application of a variety of experimental discoveries in piezoelectricity and magnetostriction. He developed the Pierce oscillator, which utilizes quartz crystal to keep radio transmissions precisely on the assigned frequency and to provide similar accuracy for frequency meters. His other accomplishments include the mathematical calculation of the radiation properties of radio antennae; invention of the mercury-vapor discharge tube, which was the forerunner of the thyratron; invention of a method of recording sound on film; and sound generation by bats and insects. Pic: https://web2.ph.utexas.edu/utphysicshistory/GeorgeWPierce.html | ||
||1872: Charles-Pierre-Mathieu Combes dies ... engineer and academic ... He was a model of what is now called a consultant engineer. Pic. | |||
||1889: Calvin Bridges born ... geneticist and academic. | ||1889: Calvin Bridges born ... geneticist and academic. | ||
Revision as of 08:53, 11 March 2019
1502: Mathematician, cosmographer, and academic Pedro Nunes born. He will be one of the greatest mathematicians of his time, known for his mathematical approach to navigation and cartography.
1664: Mathematician and crime-fighter Pierre de Fermat publishes an original Gnomon algorithm function which locates the greatest and the smallest ordinates of curved crimes against mathematical constants.
1569: First recorded lottery in England.
1570: Didacus automaton uses Gnomon algorithm to predict winning lottery numbers.
1638: Scientist and bishop Niels Steensen born. He will question explanations for tear production, the idea that fossils grow in the ground.
1711: Inventor and priest Bartolomeu de Gusmão collaborates with Didacus automaton on design of new airship.
1757: engineer and naval architect Samuel Bentham born. He will design the first Panopticon.
1934: Computer scientist Tony Hoare born. He will go on to invent the quicksort algorithm, and make other contributions to computer science.
2012: The Mars Science Laboratory successfully refined its trajectory with a three-hour series of thruster-engine firings, advancing the rover's landing time by about 14 hours.
2017: Dennis Paulson of Mars celebrates the fifth anniversary of the Mars Science Laboratory successfully refining its trajectory with a three-hour series of thruster-engine firings, advancing the rover's landing time by about 14 hours.