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-old...
1,229 karma · joined September 11, 2013
1) Identity: What's real for people and things. Is this a real person or a robot impersonating a person. 2) Mortality: When do I want to kill myself? Because we'll have the choice of how long to live / when to die. 3) Security: how do i prevent someone from hacking into my brain