Archimedes was possibly the world's greatest scientist — at least the greatest in the classical age. He was a physicist, mathematician, astronomer, inventor and engineer. Many of his inventions, ...

Archimedes, the Ancient Greek scientist first stated the principle of floatation. According to him, all the objects placed in a liquid experience an upward force which allows the body to float if it ...

One day, in the 3rd Century BC, King Hiero II of Syracuse, Sicily, summoned Archimedes—a young, Greek physicist and mathematician, donning a long, flowing, white beard—to verify that his new crown was ...