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Radiocarbon dating uses the naturally occurring isotope Carbon-14 to approximate the age of organic materials. Often, archaeologists use graves and plant remains to date sites.
Since its conception by Willard Libby in 1949, it has been invaluable to the discipline.
Though radiocarbon dating is startlingly accurate for the most part, it has a few sizable flaws.The isotope decreased by a small fraction due to the combustion of fossil fuels, among other factors.However, the quantity of Carbon-14 was nearly doubled in the ’50s and ’60s because of the atomic bomb testings in those decades.Standard calibration curves are now used for more accurate readings.These curves indicate the changes in Carbon-14 throughout the years and modifies the end result of the tests to reflect that.