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The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
Carrier's innovation provided a solution by allowing precise control over both temperature and humidity indoors. [ 91 ] Carrier's invention – encompassing the first system to provide man-made control over temperature, humidity, ventilation and air quality, was first installed as a solution to the quality problems experienced at a Brooklyn ...
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
Many years later, Evans' invention would be sold off for parts. On July 16, 2005, Philadelphia celebrated the 200th anniversary of Oliver Evans's Orukter Amphibolos. Many historians describe Oliver Evans' invention as the United States' first land and water transporter. [46] 1805 Vapor-compression refrigeration. Schematic of Gorrie's 1841 ice ...
Innovation is related to, but not the same as, invention: [4] innovation is more apt to involve the practical implementation of an invention (i.e. new / improved ability) to make a meaningful impact in a market or society, [5] and not all innovations require a new invention. [6] Technical innovation often manifests itself via the engineering ...
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 invention of the cotton gin by American inventor Eli Whitney, combined with the widespread prevalence of slavery in the United States and U.S. settler expansion made cotton potentially a cheap and readily available resource for use in the new textile industry.
Joseph John O'Connell (1861–1959), U.S. – number of inventions relating to telephony and electrical engineering; Theophil Wilgodt Odhner (1845–1903), Sweden/Russia – the Odhner Arithmometer, a mechanical calculator; Paul Offit (born 1951), U.S., along with Fred Clark and Stanley Plotkin, invented a pentavalent Rotavirus vaccine
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