Ancient and Medieval Era
Early uses of water power date back to Mesopotamia and ancient Egypt, where irrigation has been used since the 6th millennium BC and water clocks had been used since the early 2nd millennium BC. Other early examples of water power include the Qanat system in ancient Persia and the Turpan water system in ancient China.
Read more about this topic: Hydro Dynamics
Famous quotes containing the words ancient, medieval and/or era:
“In an ancient and dead language, any recognition of living nature attracts us. These are such sentences as were written while grass grew and water ran. It is no small recommendation when a book will stand the test of mere unobstructed sunshine and daylight.”
—Henry David Thoreau (1817–1862)
“The medieval university looked backwards; it professed to be a storehouse of old knowledge.... The modern university looks forward, and is a factory of new knowledge.”
—Thomas Henry Huxley (1825–1895)
“The purest lesson our era has taught is that man, at his highest, is an individual, single, isolate, alone, in direct soul-communication with the unknown God, which prompts within him.”
—D.H. (David Herbert)