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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.
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Pori (Finnish: [ˈpori]; Swedish: Björneborg [bjœrneˈborj] (listen); Latin: Arctopolis) is a city and municipality on the west coast of Finland. The city is located some 10 kilometres (6 mi) from the Gulf of Bothnia, on the estuary of the Kokemäki River, 110 kilometres (68 mi) west of Tampere, 140 kilometres (87 mi) north of Turku and 241 kilometres (150 mi) north-west of Helsinki, the capital of Finland. Pori was established in 1558 by Duke John, who later became John III of Sweden.
Guangzhou (; simplified Chinese: 广州; traditional Chinese: 廣州, Cantonese pronunciation:...
Longchang (Chinese: 隆昌; pinyin: Lóngchāng) is a county-level city of Sichuan Province, China. It...
Jacksonville is the most populous city in Florida, and is the largest city by area in the...
Copenhagen (Danish: København [kʰøpm̩ˈhɑwˀn] (listen)) is the capital and most populous city of...