In many ways, the 20th century was defined by groundbreaking scientific discoveries and revolutionary new technologies. when the century began, the industrialized world was still using the steam engine, and as it came to a close, the digital age had ushered in transformational new inventions. from the airplane and the era of high speed travel. 4.2 20th century. 4.2.1 1900s. 4.2.2 1910s. the timeline of historic inventions is a chronological list of particularly outline of prehistoric technology.
Scotch tape was patented by 3m engineer, richard g. drew. the frozen food process was patented by clarence birdseye. wallace carothers and dupont labs invent neoprene. the "differential analyzer", or analog computer invented by vannevar bush at mit. frank whittle and dr. hans von ohain both invent a jet engine. Ancient egyptians invent lighthouses, including the huge lighthouse of alexandria. fresnel lenses. ~300– 200 bce. chinese invent early magnetic direction finders. compasses. ~250 bce. archimedes invents the screw pump for moving water and other materials. tools and machines. c.150– 100 bce. The big visualization offers a long term perspective on the history of technology. 1 the timeline begins at the center of the spiral. the first use of stone tools, 3.4 million years ago, marks the beginning of this history of technology. 2 each turn of the spiral represents 200,000 years of history. In 1826 or 1827, he made an eight hour long exposure of the courtyard of his house, the first known photograph. 1831: reaper for thousands of years, harvesting crops was very labour intensive. that changed with cyrus mccormick’s invention of the mechanical reaper. the earliest reaper had some mechanical problems, but later versions spread.
The big visualization offers a long term perspective on the history of technology. 1 the timeline begins at the center of the spiral. the first use of stone tools, 3.4 million years ago, marks the beginning of this history of technology. 2 each turn of the spiral represents 200,000 years of history. In 1826 or 1827, he made an eight hour long exposure of the courtyard of his house, the first known photograph. 1831: reaper for thousands of years, harvesting crops was very labour intensive. that changed with cyrus mccormick’s invention of the mechanical reaper. the earliest reaper had some mechanical problems, but later versions spread. History of technology automation, digitalization, robotics: recent history is notoriously difficult to write, because of the mass of material and the problem of distinguishing the significant from the insignificant among events that have virtually the power of contemporary experience. in respect to the recent history of technology, however, one fact stands out clearly: despite the immense. A timeline of the 20th century. the 20th century began without planes, televisions, and of course, computers. these inventions radically transformed the lives of people around the globe, with many changes originating in the united states. this century witnessed two world wars, the great depression of the 1930s, the holocaust in europe, the cold.
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