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SciHi
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academic semantic video search engine
academic semantic video search engine

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On May 25, 1889, Russian American aviation pioneer Igor Ivanovitsch Sikorsky was born
http://scihi.org/igor-sikorsky-and-the-helicopter/ #aviation #engineering 

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On May 25, 1803, American essayist, lecturer, and poet Ralph Waldo Emerson was born
http://scihi.org/ralph-waldo-emerson-and-the-transcendentalism-movement/ #literature

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On May 25, 1973, the first crew of astronauts reached the US space station Skylab
http://scihi.org/the-first-us-space-station-skylab/ #Space 

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On May 25, 1860, American geologist Daniel Moreau Barringer was born, namesake of the Barringer Crater
http://scihi.org/daniel-barringer-and-the-barringer-crater/ #geology

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#OnThisDay in 1877, Italian aviation pioneer Gaetano Arturo Crocco was born. He was the founder of the Italian Rocket Society, and went on to become Italy’s leading space scientist
http://blog.yovisto.com/gaetano-crocco-italian-aerospace-pioneer/

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On July 13, 1897, the balloon of S. A. Andrée’s Arctic Balloon Expedition crashed on the pack ice. S. A. Andrée, the first Swedish balloonist, proposed a voyage by hydrogen balloon from Svalbard, Sweden to either Russia or Canada, which was to pass, with luck, straight over the North Pole on the way. Unfortunately, Andrée did not succeed, disregarding the forces of nature in the series of events that led to his death and those of his two companions Nils Strindberg and Knut Frænkel
http://blog.yovisto.com/salomon-august-andrees-arctic-balloon-expedition-of-1897/
#onthisday   #history   #explorer  

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On July 7, 1843, Italian physician, pathologist, scientist, and Nobel laureate Camillo Golgi was born. His key discovery was the use of silver salts to stain samples for microscope slides. Thus new details of cellular structure components were revealed and several phenomena in anatomy and physiology are named for him, including the Golgi apparatus
http://blog.yovisto.com/camillo-golgi-and-the-golgi-apparatus/
#onthisday   #history   #science  

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On June 24, 1909, English mathematician William George Penney, Baron Penney , was born. He is acknowledged as having had a leading role in the development of Britain’s nuclear programme, a clandestine programme started in 1942 during World War II which produced the first British atomic bomb in 1952
http://blog.yovisto.com/william-penney-and-the-british-atomic-bomb/
#science   #history   #onthisday  
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