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:
“There was about all the Romans a heroic tone peculiar to ancient life. Their virtues were great and noble, and these virtues made them great and noble. They possessed a natural majesty that was not put on and taken off at pleasure, as was that of certain eastern monarchs when they put on or took off their garments of Tyrian dye. It is hoped that this is not wholly lost from the world, although the sense of earthly vanity inculcated by Christianity may have swallowed it up in humility.”
—Herman Melville (1819–1891)
“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)
“It is not an era of repose. We have used up all our inherited freedom. If we would save our lives, we must fight for them.”
—Henry David Thoreau (1817–1862)