Catapult Makers: Rock Stars of Antiquity

Ancient catapults were state-of-the-art weapons of unequalled power?but how powerful were the military engineers who created them?… The fearsome machines terrorized battlefields and sieges until the proliferation of gunpowder. Their power was impressive and terrifying. Roman catapults could hurl 60-pound (27-kilogram) boulders some 500 feet (150 meters). Archimedes’ machines were said to have been able to throw stones three times as heavy. —Brian Handwerk
Catapult Makers: Rock Stars of Antiquity (National Geographic News)