Ancient firepower. An Australian archaeologist fired replicas of Middle Stone Age projectiles with a crossbow (left) at animal carcasses. Projectile impact marks on the bone (below left) were distinctive from cut marks (below right). Credit: Corey O'Driscoll
agenda for the week:
monday: invent spear for thrusting
tuesday: realize that if you just thrust a little harder you can let go and it will still travel to the target.
sounds to me like monday is the key day, and tuesdays discovery is pretty inevitable.
As soon as he had two.
Ans. 1970
Spearchucker Jones
