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  1. Nov 14, 2022 · Starting in the mid-18th century, innovations like the spinning jenny (a wooden frame with multiple spindles), the flying shuttle, the water frame and the power loom made weaving cloth and spinning...

    • 2 min
    • The Air Brake. Trains were invented before the Second Industrial Revolution, but there were frequent accidents because slowing and stopping them was a cumbersome process.
    • The Light Bulb. Thomas Edison, perhaps the most famous inventor in American history, created many of his numerous innovations, from the phonograph and the movie camera to the alkaline storage battery, during the Second Industrial Revolution.
    • Petroleum Refining. In the early 1900s, William Burton, a chemist and executive for the Standard Oil Co. in Indiana, developed a process in which crude oil was placed inside a container and heated until it reached a temperature of over 700 degrees Fahrenheit.
    • The QWERTY Typewriter Keyboard. Like many modern inventions, the typewriter wasn’t the result of a single genius, but was gradually developed by a succession of visionaries starting in the mid-1700s.
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  3. 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.

  4. Jul 21, 2009 · February 5: U.S. chemist Leo Baekeland (1863–1944) presents his invention, the first synthetic plastic known as Bakelite, to the American Chemical Society. February 12: The NAACP is founded by a group including W.E.B. Du Bois, Mary White Ovington, and Moorfield Storey.

    • Jennifer Rosenberg
    • History Expert
  5. Two inventions of the 19th century, the electric telegraph and the electric telephone, made reliable instantaneous communication over great distances possible for the first time. Their effects on commerce, diplomacy, military operations, journalism, and myriad aspects of everyday life were nearly immediate and proved to be long-lasting.

  6. Technological innovation, economic growth, development of large-scale agriculture, and the expansion of the federal government characterized the era, as did the social tensions brought about by immigration, financial turmoil, federal Indian policy, and increasing demands for rights by workers, women, and minorities.

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