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Figure 19.2. Urbanization occurred rapidly in the second half of the nineteenth century in the United States for a number of reasons. The new technologies of the time led to a massive leap in industrialization, requiring large numbers of workers. New electric lights and powerful machinery allowed factories to run twenty-four hours a day, seven ...
Some invention and quick thinking—that's what was needed. 4 [ uncountable ] the ability to have new and interesting ideas John was full of invention—always making up new dance steps and sequences.
Apr 25, 2017 · Telephone. •••. In the mid-1870s, Alexander Graham Bell and Elisha Gray both independently designed devices that could transmit sound. Graham Bell was the first to have his design for the telephone patented, although Gray was only a few hours behind. During a sound experiment in 1875, Graham Bell discovered he could hear over the wire.
A combination of American, Italian, English, and Croatian scientists were responsible for the birth of radio. While American technology advanced rapidly during the early 1900s, American science did not keep pace. In the late nineteenth century, there were only a few thousand American research scientists working throughout the nation.
Beginning around 1750, humans were mining and using about 10 million metric tons of coal per year. Then 100 years later it was 130 million tons. By the start of the twentieth century, humans were producing close to one billion tons. By this time, most of the world was using coal for 90 percent of our energy.
May 15, 2024 · Industrial Revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing. These technological changes introduced novel ways of working and living and fundamentally transformed society. This process began in Britain in the 18th century and from there spread to ...
Jul 29, 2022 · The small, circular snapshots of daily life captured by the Kodak Camera changed the nature of photography from stodgy and serious to casual and fun. 6. Electric Streetcars (1888) Starting in the ...
