New optical dating tech used to constrain the age of prehistoric stone artefacts | Hacker News

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		New optical dating tech used to constrain the age of prehistoric stone artefacts (uibk.ac.at)
		1 point by tclover on June 6, 2021 \| hide \| past \| favorite \| 1 comment

tclover on June 6, 2021 [–]

So, how old are the great pyramids now?

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