On 8/18/2018 4:08 PM, Helmut Raulien wrote:
So I think it would be interesting to know, if in the Philippines stone spearheads, or even stone arrowheads have been found, that can be dated 700,000 years ago. Or if so dated (rhino...) bones also have shown impact marks of these weapons.
Fir a discussion about the development of stone technology, see slide 68 of vrmind.pdf and the references at the bottom of the slide: http://jfsowa.com/talks/vrmind.pdf John
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