An archaeological study reveals that the slingshots used by Roman soldiers were so powerful and accurate, being hit by one was like being shot by a Magnum .44. Put that into perspective with the story of David and Goliath.
“…Researchers have found 400-some lead slingshot balls at the site of a Roman siege in ancient Scotland and say the balls would have struck the natives with nearly the force of a .44 Magnum handgun—one of the most powerful pistols in the world….”
We now literally have a scientific explanation as to why a humble shepherd could so easily take out a powerful warrior. History is way cool!