Daily Content Archive
(as of Tuesday, December 27, 2016)| Word of the Day | |||||||
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| Article of the Day | |
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 High-Speed PhotographyHigh-speed photography allows fast moving phenomena to be recorded with precision and clarity. While in 1948 high-speed photography was defined as a set of at least 3 photographs taken by a camera capable of recording a minimum of 128 frames per second, today's equipment can shoot as many as 1 million frames per second. High-speed photography was first put to practical use in 1878 to investigate whether or not a trotting horse ever has all 4 feet off the ground at once. What did the images show? More... | |
| This Day in History | |
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 Radio City Music Hall Opens in New York City (1932)Developed by John D. Rockefeller, Jr., the Radio Corporation of America, and the creator of the Roxy Theatre, New York's landmark Radio City Music Hall opened with a lavish variety show that was not well received. Instead, the world's largest indoor theater began showing movies with accompanying stage spectacles. Recently, it has focused on concerts and live events such as the Grammy Awards. Its annual Christmas show remains a popular tourist attraction. What was the first film shown there? More... | |
| Today's Birthday | |
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 Louis Pasteur (1822)Perhaps best remembered for developing the pasteurization process, Pasteur was a French microbiologist who made great strides in keeping people safe by revolutionizing contemporary thinking about diseases. He proved that food spoilage was due to exposure to microorganisms, leading to the use of heat pasteurization to kill bacteria. He developed vaccines against anthrax, cholera, and rabies, and his work on silkworm diseases saved the French silk industry. What was "Pasteur's Deception"? More... | |
| Quotation of the Day | |
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 Why is it that when you awake to the world of realities you nearly always feel, sometimes very vividly, that the vanished dream has carried with it some enigma which you have failed to solve?Fyodor Dostoyevsky (1821-1881) | |
| Today's Holiday | |
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 Dian Fossey Day (2020)American conservationist Dian Fossey (1932-1985) conducted groundbreaking research on Rwanda's mountain gorillas, a species long victimized by wide-scale poaching, and helped ensure their preservation. Fossey was murdered in her cabin at a research center in the Virunga Mountains on December 27, 1985. Ceremonies for the anniversary of her death take place in Volcanoes National Park, which contains a permanent memorial to the zoologist. Individuals typically perform traditional dances, while government officials deliver speeches and lay wreaths on her grave site. More... | |