Stone Tools: The First Ever Invention
Patented: History of Inventions
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The Evolution of Stoneworking
Before 1.8 million years ago, most rocks are within half a day's walker less from where we find them. Homo erectus have been fairly good runners and long distance endurance walkers. They're moving rocks greater distances, which tells us they're carrying the rocks with them. Archaeologists in their search for anxieties treat objects like badges that tell you something about your identity.
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