Stone Tools: The First Ever Invention
Patented: History of Inventions
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The Legacy of Stone Tools
John Sutter: Stone tools are a renewable resource. He says we should teach more people how to make and use stone tools after the ice ages come back. "I want to survive all this kind of knife," he says, referring to our ability to turn things into sharp artifacts that can shape the world as they see fit. 'If I've made a beautiful ad, I'd be like, I'm keeping them'
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