The Best Inventions Of 2007

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

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Archimedes (circa 287-212 B.C.)

Staatliche Kunstsammlungen Dresden
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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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