Waterwheels and Clocks
Lecture no. 7 from the course: Understanding the Inventions That Changed the World
Taught by Professor W. Bernard Carlson | 29 min | Categories: The Great Courses Plus Online Science Course
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.