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A comment on When Birds Migrated to the Moon. Parent comment

Re:When Birds Migrated to the Moon by aaronblohowiak on Saturday January 02, 2021 @11:45PM (#25619534)
Blades are the oldest technology we have evidence of, iiuc.
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Re:When Birds Migrated to the Moon by hyperpallium2 on Sunday January 03, 2021 @09:10AM (#25621837)
You're right. Weaves wouldn't leave evidence, though the progression of rock, pointier rock, knapping seems easier than the leap of weaving, anyway - I'd guess it came about 70,000 years ago with the cultural explosion of cognition.
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Re:When Birds Migrated to the Moon by aaronblohowiak on Monday January 04, 2021 @02:34AM (#25628637)
Sharp rocks go back 2 million :)
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