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  2. Technological and industrial history of the United States

    en.wikipedia.org/wiki/Technological_and...

    The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.

  3. Science and technology in the United States - Wikipedia

    en.wikipedia.org/wiki/Science_and_technology_in...

    After the war, the federal government became the main role in supporting science and technology. And in the following years, the federal government supported the establishment of a national modern science and technology system, making America a world leader in science and technology. [24]

  4. Borchert's Epochs - Wikipedia

    en.wikipedia.org/wiki/Borchert's_Epochs

    High-Technology Epoch (1970–present), expansion in service and information sectors of the economy Subsequent researchers (e.g., Phillips and Brunn) have proposed an extension of Borchert's model with new epochs to take into account late 20th-century developments in patterns of metropolitan growth and decline in the United States.

  5. Department of Public Works and Highways - Wikipedia

    en.wikipedia.org/wiki/Department_of_Public_Works...

    The Department of Public Works and Highways (Filipino: Kagawaran ng mga Pagawain at Lansangang Bayan), abbreviated as DPWH, is the executive department of the Philippine government solely vested with the mandate to “be the State's engineering and construction arm” and, as such, “tasked to carry out the policy” of the State to “maintain an engineering and construction arm and ...

  6. Technological evolution - Wikipedia

    en.wikipedia.org/wiki/Technological_evolution

    Examples of this include cars, trains, computers, and lights. Machines allow humans to tremendously exceed the limitations of their bodies. Putting a machine on the farm, a tractor, increased food productivity at least tenfold over the technology of the plow and the horse. The third, and final stage of technological evolution is the automation ...

  7. Timeline of United States inventions (before 1890) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Examples of modern induction motors An induction motor is an AC electric motor in which the electric current in the rotor needed to produce torque is induced by electromagnetic induction from the magnetic field of the stator winding instead of using mechanical commutation (brushes) that caused sparking in earlier electric motors.

  8. Opinion: Evolution toward America's diversity happened ...

    www.aol.com/opinion-evolution-toward-americas...

    The United States is still on the road to achieving an ideal diverse society with equality for all citizens having the right and freedom to vote.

  9. Template:Essay-like - Wikipedia

    en.wikipedia.org/wiki/Template:Essay-like

    Use this cleanup template to indicate that an article is written like a personal reflection, personal essay, or argumentative essay that states a Wikipedia editor's personal feelings or presents an original argument about a topic. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Month and year date The month and ...