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Jeans are trousers generally made from denim. Jeans became popular among teenagers starting in the 1950s which remains as a distinct icon of American fashion. In 1873, Levi Strauss and Jacob Davis co-invented and co-patented the idea of using copper rivets at the stress points of sturdy work pants. After one of Davis' customers kept purchasing ...
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
This innovation found its way into "Stopette" deodorant spray, which Time Magazine called "the best-selling deodorant of the early 1950s". [297] 1941 Acrylic fiber. Acrylic fibers are synthetic fibers made from a polymer Polyacrylonitrile with an average molecular weight of ~100,000, about 1900 monomer units.
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.
The first crewed space flights were made in early 1961, first by Soviet cosmonaut Yuri Gagarin and then by American astronaut Alan Shepard. From those first tentative steps, to the 1969 Apollo program landing on the Moon , to the reusable Space Shuttle , the American space program has created a large display of applied science.
1920s: Culture Wars. As European economies recovered and the USA boomed in the wake of World War I, the number of Americans living in cities exceeded the number on farms for the first time.
Since 1950, Americans have won approximately half of the Nobel Prizes awarded in the sciences. [15] See the List of Nobel laureates by country. The American Brain Gain continued throughout the Cold War, as tensions steadily escalated in the Eastern Bloc, resulting in a steady trickle of defectors, refugees and emigrants. The partition of ...
8 interesting inventions by Native Americans. Bell Johnson. August 6, 2016 at 5:41 AM. ... Coca, peyote and datura were used as early as 1000 B.C. Aspirin.