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Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman who has been described as America's greatest inventor. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial research laboratory.Edison was raised in the American Midwest; early in his career he worked as a telegraph operator, which inspired some of his earliest inventions.
Latacunga | |
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Latacunga (Spanish pronunciation: [lataˈkuŋɡa]; Quechua: Latakunga) is a plateau town of Ecuador, capital of the Cotopaxi Province, 89 km (55 mi) south of Quito, near the confluence of the Alaquez and Cutuchi rivers to form the Patate, the headstream of the Pastaza. At the time of census 2010 Latacunga had 98,355 inhabitants, largely mestizo and indigenous.
Latacunga took its independence from Spain on November 11, 1820.Latacunga is an hour and half south from Quito on the Pan-American Highway. It was previously also on the old road from Quito to Guayaquil, and has a railway station between those cities. It is 9,055 ft (2,760 m). above sea level. Its climate is cold and windy, due to the neighboring snowclad heights, and the barren, pumice-covered tableland on which it stands. The active volcano Cotopaxi is only 25 km. away, and the town has suffered repeatedly from eruptions. Founded in 1534, it was four times destroyed by earthquakes between 1698 and 1798.