[loungitude]

At first glance, I thought “that’s BS”. Then I read the article. You decide.

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Dr Moira Wilson from Manchester University led the research. She said the technique could also be “turned on its head and used to establish the mean temperature of a material over its lifetime”.

“If a precise date of firing were known, this could potentially be useful in climate change studies.”

[SunkenCiv]

It’s an alternative to thermoluminescence, but I doubt that it will prove to be as accurate, ever. Too easy to fool, and too susceptible to divergent assumptions about the samples and whatnot.