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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.
Troyes | |
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Troyes (French pronunciation: [tʁwa] (listen)) is a commune and the capital of the department of Aube in the Grand Est region of north-central France. It is located on the Seine river about 140 km (87 mi) south-east of Paris.
Troyes is situated within the Champagne wine region and is near to the Orient Forest Regional Natural Park.
Highlands or uplands are any mountainous region or elevated mountainous plateau. Generally...
Ferrara (, Italian: [ferˈraːra] (listen); Emilian: Fràra [ˈfraːra]) is a city and comune in...
Greensboro ( (listen); formerly Greensborough) is a city in and the county seat of Guilford...