this post was submitted on 20 Sep 2023
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Archaeology

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Archaeology or archeology[a] is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes.

Archaeology has various goals, which range from understanding culture history to reconstructing past lifeways to documenting and explaining changes in human societies through time.

The discipline involves surveying, excavation, and eventually analysis of data collected, to learn more about the past. In broad scope, archaeology relies on cross-disciplinary research. Read more...

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[โ€“] [email protected] 4 points 1 year ago* (last edited 1 year ago)

The article says they used luminescence dating to measure the amount of radiation the surrounding soil had soaked up over time:

Grains of rock absorb natural radioactivity from the environment over time - essentially charging up like tiny batteries, as Prof Duller put it.

And that radioactivity can be released and measured by heating up the grains and analysing the light emitted.