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.
From the phone that has changed phones forever, to futuristic cars, to a building made of water, to a remote-controlled dragonfly — a dazzling display of ingenuity
Archimedes (circa 287-212 B.C.)