00:00Stone fortress walls crumble instantly when massive projectiles strike with terrifying kinetic force.
00:07How did medieval engineers launch 300-pound boulders over 300 yards using only gravity and rope?
00:15Common sense says twisting giant rope stores the power, but pulling a trigger does something entirely different.
00:22A massive hinged box filled with tons of lead drops instantly, violently whipping the sling forward.
00:28This terrifying gravity-powered physics engine proves that stone fortress walls crumble instantly when massive projectiles strike.
00:37Any age, any background, same opportunity, sell, earn, repeat.
00:43Join our marketing team.
