Radiocarbon dating problem

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In 1949, American chemist Willard Libby, who worked on the development of the atomic bomb, published the first set of radiocarbon dates.

His radiocarbon dating technique is the most important development in absolute dating in archaeology and remains the main tool for dating the past 50,000 years.

The unstable carbon-14 gradually decays to carbon-12 at a steady rate. Scientists measure the ratio of carbon isotopes to be able to estimate how far back in time a biological sample was active or alive.

This plot shows the level of carbon-14 in the atmosphere as measured in New Zealand (red) and Austria (green), representing the Southern and Northern Hemispheres, respectively.

The Mayan calendar used 3114 BC as their reference.

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Bottom line: Radiocarbon dating is a technique used by scientists to learn the ages of biological specimens from the distant past.

As long as there is organic material present, radiocarbon dating is a universal dating technique that can be applied anywhere in the world.

It is good for dating for the last 50,000 years to about 400 years ago and can create chronologies for areas that previously lacked calendars.

Absolute dating represents the absolute age of the sample before the present.

Historical documents and calendars can be used to find such absolute dates; however, when working in a site without such documents, it is hard for absolute dates to be determined.

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