Archimedes (circa 287-212 B.C.)

Famous for Archimedes' screw, a water pump still used in Africa, he is said to have leaped out of his bath, yelling "Eureka!" ("I have found it!"), after discovering an important principle of water displacement.

Famous for Archimedes' screw, a water pump still used in Africa, he is said to have leaped out of his bath, yelling "Eureka!" ("I have found it!"), after discovering an important principle of water displacement.
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