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The tooth was found at a site near Coyote Creek north of Mora.
The machine is used to date artifacts without damaging to the sample.
“We can flake off a piece” and date it, Blinman said.
Using plasma to scrub artifacts Traditional carbon dating estimates age based on content of carbon-14 (C-14), a naturally occurring, radioactive form of carbon, and requires destruction of an object.A piece of an organic object – a bone fragment or weaving, for example – is washed with acid at high temperature to remove impurities and then burned in a chamber.The carbon dioxide gas produced is run through an accelerator mass spectrometer, which measures the decay of radioactive carbon 14 – the more the carbon 14 has decayed, the older the object is.He says much of what he learned was by trial and error.In fact, the first machine he and his Texas A&M colleagues built caught fire and was destroyed.