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 and, 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)
“Take a timber
That you shall find lies in the cellar, charred
Among the raspberries, and hew and shape it
For a doorsill or other corner piece
In a new cottage on the ancient spot.
The life is not yet all gone out of it.
And come and make your summer dwelling here....”
—Robert Frost (1874–1963)
“The Christos-image
is most difficult to disentangle
from its art-craft junk-shop
paint-and-plaster medieval jumble
of pain-worship and death-symbol.”
—Hilda Doolittle (1886–1961)
“The lover of nature is he whose inward and outward senses are still truly adjusted to each other; who has retained the spirit of infancy even into the era of manhood.”
—Ralph Waldo Emerson (1803–1882)