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Productivity-improving technologies date back to antiquity, with rather slow progress until the late Middle Ages. Important examples of early to medieval European technology include the water wheel, the horse collar, the spinning wheel, the three-field system (after 1500 the four-field system—see crop rotation) and the blast furnace.
The ziggurats of Mesopotamia, the persepolic in Iran the pyramids and Pharos of Alexandria in ancient Egypt, cities of the Indus Valley civilization, the Acropolis and Parthenon in ancient Greece, the aqueducts, Via Appia and Colosseum in the Roman Empire, Teotihuacán, the cities and pyramids of the Mayan, Inca and Aztec Empires, and the Great Wall of China, among many others, stand as a ...
Flowcharts are used in analyzing, designing, documenting or managing a process or program in various fields. The second structured method for documenting process flow, the "flow process chart", was invented by Frank Gilbreth to members of ASME in 1921 as the presentation "Process Charts—First Steps in Finding the One Best Way". [173]
He was granted a patent for his method of transmitting slides. Vladimir Kosma developed the first television camera tube, the Ikonoskop, using the Braun tube. The German State Secretary Karl August Bredow founds the first German broadcasting organization. By lifting the ban on broadcast reception and the opening of the first private radio ...
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 ...
Since 2000, there has been speculations of a new technological revolution which would focus on the fields of nanotechnologies, alternative fuel and energy systems, biotechnologies, genetic engineering, new materials technologies and so on. [10] The Second Machine Age is the term adopted in a 2014 book by Erik Brynjolfsson and Andrew McAfee.
This is a list of Korean inventions and discoveries; Koreans have made contributions to science and technology from ancient to modern times.In the contemporary era, South Korea plays an active role in the ongoing Digital Revolution, with one of the largest electronics industries and most innovative economies in the world.
The International Innovation Index is a global index measuring the level of innovation of a country, produced jointly by The Boston Consulting Group (BCG), the National Association of Manufacturers (NAM), and The Manufacturing Institute (MI), the NAM's nonpartisan research affiliate. NAM describes it as the "largest and most comprehensive ...
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