Waterwheels and Clocks

Turn now to two inventions that moved humanity from the ancient to the modern world. The waterwheel was the first major energy source beyond human muscle and animal labor, which freed people to perform more sophisticated tasks. Meanwhile, the development of the mechanical clock redefined our sense of time.

English
  • Originally Aired August 31, 2013
  • Runtime 30 minutes
  • Network The Great Courses
  • Created July 3, 2020 by
    Administrator admin
  • Modified November 19, 2022 by
    RicaRaducanu