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was born in Syracuse, Sicily in 287 B.C. and died there in 212 B.C.. He was a great inventor and mathematician who helped develop the science of geometry as well as being the first scientist to realize the power of the lever. He was also known for inventing the ....

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.... it). He was then able to deduce that the crown the king was sold was in fact not gold. It was also said that single-handedly defended the city of Syracuse during a Roman siege by constructing huge lenses to focus the Sun's light on Roman ships and huge cranes to turn them upside down. When the Romans finally broke the siege, was killed by a Roman soldier after snapping at him "Don't disturb my circles", a reference to a geometric figure he had outlined on the sand. biggest contribution to math, especially geometry, was his discovery for finding the volume of a sphere showing that it is two thirds the volume of the smallest cylinder that can c ....