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22 de abr. de 2024 · Thomas Edison (born February 11, 1847, Milan, Ohio, U.S.—died October 18, 1931, West Orange, New Jersey) was an American inventor who, singly or jointly, held a world-record 1,093 patents. In addition, he created the world’s first industrial research laboratory. The role of chemistry in Thomas Edison's inventions.
Hace 1 día · The Marshall Islands ( Marshallese: Ṃajeḷ ), [5] officially the Republic of the Marshall Islands ( Marshallese: Aolepān Aorōkin Ṃajeḷ ), [note 1] is an island country west of the International Date Line and north of the equator in the Micronesia region in the Northwestern Pacific Ocean. The territory consists of 29 coral atolls and ...
Hace 6 días · Harper Quadrangle at the University of Chicago, a U.S. research university. This is a list of universities in the United States classified as research universities in the Carnegie Classification of Institutions of Higher Education. Research institutions are a subset of doctoral degree -granting institutions and conduct research.
Hace 23 horas · Raymond Brock (scientist) James Stephen Brooks. Robert William Brown. Gregory Harger Canavan. Arthur E. Champagne. Hudong Chen. David C. Cheng. Rob Duncan Coalson. William Thomas Coffey.
Hace 2 días · Hannibal Hamlin (August 27, 1809 – July 4, 1891) was an American attorney and politician who served as the 15th vice president of the United States from 1861 to 1865, during President Abraham Lincoln 's first term. He was the first Republican vice president. An attorney by background, Hamlin began his political career as a Democrat in the ...
Hace 6 días · Thomas Henry Huxley PC FRS HonFRSE FLS (4 May 1825 – 29 June 1895) was an English biologist and anthropologist who specialized in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin 's theory of evolution .
