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Jul 14, 2019 · The Motion Picture. Thomas Edison was the first to showcase the first motion picture in 1910. The idea was revolutionary featuring synchronized sound technology coupled with moving images ...
The three most important inventions developed during the decade included the automobile, the airplane, and the radio. Each new device transformed American life by greatly expanding the average citizen's opportunities for travel and communication. Henry Ford and other Americans improved the automobile, which had been invented in Germany.
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Lesson 4: The Automobile in American Life. The invention, production, and distribution of the automobile radically altered American society in the 20th century. Perhaps more than other inventions, the automobile transformed American society, prompting some historians to characterize the United States as a "car culture."
1900: Thomas Alva Edison invents the nickel-based alkaline storage battery. 1900: German scientists invent the modern pendulum seismograph to detect earthquakes. 1900: Sigmund Freud's On the Interpretation of Dreams is published. 1900: July 2 The first Zeppelin dirigible is flown in Germany.
Key Concepts. 4.1: The United States began to develop a modern democracy and celebrated a new national culture, while Americans sought to define the nation’s democratic ideals and change their society and institutions to match them. 4.2: Innovations in technology, agriculture, and commerce powerfully accelerated the American economy ...
May 13, 2016 · In 1900, just 8,000 motorcars were registered in the United States, but there were 9 million in 1920 and 23 million in 1929. Streetcars and subways, unheard-of in 1870, were in all the major ...
A timeline of United States inventions (1890–1945) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
