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1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
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; Timeline of United States inventions (1946–1991), during the Cold War
1900: The first Zeppelin is designed by Theodor Kober. 1901: The first motorized cleaner using suction, a powered "vacuum cleaner", is patented independently by Hubert Cecil Booth and David T. Kenney. [453] 1903: The first successful gas turbine is invented by Ægidius Elling. 1903: Édouard Bénédictus invents laminated glass.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
1870 – Louis Pasteur and Robert Koch establish the germ theory of disease. 1878 – Ellis Reynolds Shipp graduates from the Women's Medical College of Pennsylvania and begins practice in Utah. 1879 – First vaccine for cholera. 1881 – Louis Pasteur develops an anthrax vaccine. 1882 – Louis Pasteur develops a rabies vaccine.
1870 Feather duster. A feather duster is an implement used for cleaning. It consists typically of a wooden-dowel handle and feathers that are wound onto the handle by a wrapped wire. In 1870, the original idea for the feather duster was conceived in a broom factory in Jones County, Iowa. A farmer brought a bundle of turkey feathers into the ...
However, when 2,000 years ago, during the Three Kingdoms period, the Chinese inventor Ma Jun created a chariot with a built-in compass for Emperor Ming-di, it was a real wonder.
Between 1900 and 1939, enrollments in post-secondary institutes increased from 238,000 to 1,494,000 [107] and higher education had become so available and affordable that a college degree was increasingly required for scientific, engineering, and government jobs that previously only required only vocational or secondary education.