After, they say, two decades of hope, our nanotech is good enough to date clay pots. At least, if the pots had stored organic fluids. Those fluids seep into the clay's pores, which we can now get at.
So far tested is a Neolithic pot from a London suburb, at 3600 BC. Not long after the first Farmers projected 4000 BC... very roughly.
Pots, themselves, follow a pattern to an extent they are symbolic - they represent a language. Here is how we can finetune the arrival of Bell Beakers.
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