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The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.
In the early decades of its history, the United States was relatively isolated from Europe and also rather poor. At this stage, America's scientific infrastructure was still quite primitive compared to the long-established societies, institutes, and universities in Europe. Eight of America's founding fathers were scientists of some repute.
By using pressurized water directly from the supply line, there is a faster recycle time between flushes. The flushometer is still in use today in homes and public restrooms around the world. The flushometer was invented in 1906 by American businessman and inventor William Elvis Sloan. [121] [122] 1906 Audion tube
This article is part of our Innovation in America series, in which Foolish writers highlight examples of innovation going on today and what they see coming in the future. Author's note: This is a ...
A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
The cowboy hat is a high-crowned, wide-brimmed hat best known as the defining piece of attire for the North American cowboy. Today it is worn by many people, and is particularly associated with ranch workers in the western and southern United States, western Canada and northern Mexico, with country-western singers, and for participants in the ...
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
American Brigadier General Henry Harrison Chase Dunwoody files for a patent for a carborundum steel detector for use in a crystal radio, an improved version of the Cat's-whisker detector. It is sometimes credited as the first semiconductor in history.