Looks like this is more primitive knowledge being rediscovered. Note how cavemen axes were stones tied to the side of a stick. http://www.cbsnews.com/news/evide

Looks like this is more primitive knowledge being rediscovered. Note how cavemen axes were stones tied to the side of a stick. http://www.cbsnews.com/news/evidence-uncovered-of-worlds-oldest-violent-argument/ http://www.cbsnews.com/news/evidence-uncovered-of-worlds-old...