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Vor 41 Minuten · Vulcanized Rubber. Charles Goodyear is the inventor of vulcanized rubber. He had spent ages trying to create a waterproof rubber. While messing with natural rubber and sulfur, he accidentally dropped the mixture on his heated stove. It charted and hardened, and he realized the possibilities.
Vor einem Tag · The invention of writing is often used to demark prehistory from the ancient period while another approach divides early history based on the type of tools used in the Stone, Bronze, and Iron Ages. World historians focusing on religion and culture identify the Axial Age as a key turning point that laid the spiritual and philosophical foundations of many of the world's major civilizations.
Vor einem Tag · e. The history of writing traces the development of writing systems [1] and how their use transformed and was transformed by different societies. The use of writing prefigures various social and psychological consequences associated with literacy and literary culture. With each historical invention of writing, true writing systems were preceded ...
Vor einem Tag · Carl Friedrich Gauss. Johann Carl Friedrich Gauss (German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] ⓘ; [2] [3] Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science. He ranks among history's most influential ...
Vor einem Tag · Casio F-91W digital watch, one of the most popular watches ever. A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. Devices operating on several physical ...
Vor einem Tag · The straight eight, so named because its eight cylinders are lined up in a single row, is a rare exception.Introduced just after the First World War, it was widely adopted for both road-going and competition cars throughout Europe and North America, but fell out of favour in the 1950s and has hardly been heard of since.
Vor einem Tag · Brussels International (1897) in Brussels. The World's Columbian Exposition, also known as the Chicago World's Fair, was a world's fair held in Chicago from May 5 to October 31, 1893, to celebrate the 400th anniversary of Christopher Columbus 's arrival in the New World in 1492. [1] The centerpiece of the Fair, held in Jackson Park, was a large ...
