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5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
After a recession at the end of the 1830s and a general slowdown in major inventions, the Second Industrial Revolution was a period of rapid innovation and industrialization that began in the 1860s or around 1870 and lasted until World War I. It included rapid development of chemical, electrical, petroleum, and steel technologies connected with ...
The Green Revolution (1945–1975): the use of industrial fertilizers and new crops largely increased the world's agricultural output. The Third Industrial Revolution: the changes brought about by computing and communication technology, starting from around 1950 with the creation of the first general-purpose electronic computers.
The importance of stone tools, circa 2.5 million years ago, is considered fundamental in the human development in the hunting hypothesis. [citation needed]Primatologist, Richard Wrangham, theorizes that the control of fire by early humans and the associated development of cooking was the spark that radically changed human evolution. [2]
Here are nine of the accidental inventions we use every day. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in ...
1st century AD: The aeolipile, a simple steam turbine is recorded by Hero of Alexandria. [289] 1st century AD: The first use of respiratory protective equipment is documented by Pliny the Elder (c. 23 AD –79) using animal bladder skins to protect workers in Roman mines from red lead oxide dust. [290] 1st century AD: Oldest surviving wine. [291]
Dan Papia then introduced it to the English-speaking world and popularized it as a monthly feature in his magazine, Tokyo Journal, encouraging readers to send in ideas. In 1995, Kawakami and Papia collaborated on the English language book 101 Unuseless Japanese Inventions: The Art of Chindōgu. Most classic chindogu products are collected in ...
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.