History
Bow drills were used in Mehrgarh between the 4th and 5th millennium BCE. This bow drill—used to drill holes into lapis lazuli and cornelian—was made of green jasper. Similar drills were found in other parts of the Indus Valley Civilization and Iran one millennium later.
Read more about this topic: Bow Drill
Famous quotes containing the word history:
“Philosophy of science without history of science is empty; history of science without philosophy of science is blind.”
—Imre Lakatos (1922–1974)
“The principle that human nature, in its psychological aspects, is nothing more than a product of history and given social relations removes all barriers to coercion and manipulation by the powerful.”
—Noam Chomsky (b. 1928)
“We may pretend that we’re basically moral people who make mistakes, but the whole of history proves otherwise.”
—Terry Hands (b. 1941)