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The past half-century has produced some of the most significant and astounding inventions ever developed in human history, and many notable ones came to life in the United States.
Willis Carrier's invention of air conditioning in 1902 marked a pivotal moment in human history, transforming the way people interact with indoor spaces. Before his breakthrough, buildings were subject to the whims of nature, often becoming unbearably hot and humid during the summer months.
A. Gas centrifuge; A Manufacturing Language; Abel Axe; Aberdeen chronograph; Abraham Lincoln's patent; Acrylic paint; Active Denial System; Active pen; Active-pixel sensor
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
Yep, people back then would insert a coin and receive just the right amount of holy water from temples in Egypt.While the vending machine might seem like a fairly modern invention, it’s actually ...
Official credit for the invention of the electric trolley pole has gone to an American, Frank J. Sprague, who devised his working system in Richmond, Virginia, in 1888. [270] Known as the Richmond Union Passenger Railway , this 12-mile system was the first large-scale trolley line in the world, opening to great fanfare on February 12, 1888.
What do snow goggles, suspension bridges, and lacrosse have in common? They are all innovations that were created by Native Americans thousands of years ago that we still use today.
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 ...