Archimedes

Could Archimedes have lifted the earth?
Archimedes, the great mathematician, made a claim to King Hiero of Syracuse that he could move the earth if given a place to stand. But was this really possible? Imagining that he had another planet to stand on and a lever large enough to do so, could he really have moved the earth? Scientifically speaking, yes and no.

Doubt Cast on Archimedes' Killer Mirrors
· Greek 'harnessed sun's rays to burn Roman fleet' · US scientists manage small blaze that fizzles out