King's crown was made of solid gold. The king had given a goldsmith a set amount of gold and it was all to be used to make a solid gold crown. When Archimedes filled his bathtub brim full, he realized the mass of water that overflowed was proportional to the mass of his body that was placed into the tub. This realization is known as the Archimedes' Principle. He was so excited when he made this discovery that he ran down the streets of Syracuse naked, shouting "Eureka! Eureka!" (I have found it!) . The next day he placed the cro
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