Template:Selected anniversaries/June 18: Difference between revisions
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||1858: Charles Darwin receives a paper from Alfred Russel Wallace that includes nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory. | ||1858: Charles Darwin receives a paper from Alfred Russel Wallace that includes nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory. | ||
||1865: Friedrich Carl Alwin Pockels born. | ||1865: Physicist Friedrich Carl Alwin Pockels born. He discovered that a steady electric field applied to certain birefringent materials causes the refractive index to vary, approximately in proportion to the strength of the field. This phenomenon is now called the Pockels effect. Pic search yes: https://www.google.com/search?q=Friedrich+Carl+Alwin+Pockels | ||
||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic. | ||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic. | ||
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||1877: James Montgomery Flagg born ... painter and illustrator. | ||1877: James Montgomery Flagg born ... painter and illustrator. | ||
||1905: Per Teodor Cleve dies ... chemist, biologist, mineralogist, oceanographer, and professor. He discovered the chemical elements holmium and thulium and helped isolate helium from the uranium ore cleveite. | ||1905: Per Teodor Cleve dies ... chemist, biologist, mineralogist, oceanographer, and professor. He discovered the chemical elements holmium and thulium and helped isolate helium from the uranium ore cleveite. Pic. | ||
||1907: Professor Alexander Stewart Herschel dies ... astronomer. He did pioneering work in meteor spectroscopy, and worked on identifying comets as the source of meteor showers. The Herschel graph, the smallest non-Hamiltonian polyhedral graph, is named after him. | ||1907: Professor Alexander Stewart Herschel dies ... astronomer. He did pioneering work in meteor spectroscopy, and worked on identifying comets as the source of meteor showers. The Herschel graph, the smallest non-Hamiltonian polyhedral graph, is named after him. | ||
Revision as of 06:32, 29 March 2019
1178: Five Canterbury monks see what is possibly the Giordano Bruno crater being formed. It is believed that the current oscillations of the Moon's distance from the Earth (on the order of meters) are a result of this collision.
1928: Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
1974: Mathematician and academic Júlio César de Mello e Souza dies. He is well known in Brazil and abroad by his books on recreational mathematics, most of them published under the pen names of Malba Tahan and Breno de Alencar Bianco.
2017: Culvert Origenes and The Governess wins Pulitzer Prize for Best Historical Illustration.