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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 ...
The history of technology is the history of the invention of tools and techniques by humans. Technology includes methods ranging from simple stone tools to the complex genetic engineering and information technology that has emerged since the 1980s.
The Kinetoscope introduced the basic approach that would become the standard for all cinematic projection before the advent of video, creating the illusion of movement by conveying a strip of perforated film bearing sequential images over a light source with a high-speed shutter.
First recorded use of this device was in 1889 in the Office of the Surgeon General of the Army. In 1896 Hollerith introduced improved model. [41] 1889 United States: Dorr Felt invented the first printing desk calculator. 1890 United States Sweden Russia: A multiplying calculator more compact than the Arithmometer entered mass production.
Despite the new efficiencies introduced by the turnpikes and canals, travel along these routes was still time-consuming and expensive. The idea of integrating a steam boiler and propulsion system can be first attributed to John Fitch and James Rumsey who both filed for patents or state monopolies on steamboats in the late 1780s.
1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
The principle is applied in wirephoto and television technology for a short time. Selenium is used in light meters for the next 50 years. Cinématographe camera by the Lumière brothers in 1895 (ref 86.5822) at the French Museum of Photography in Bièvres, Essonne, France. 1895: Auguste Lumiere's cinematograph displays moving images for the ...
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; Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union