Radiocarbon dating dates back to

Thus creationists and others who invoke perceived weaknesses in radiocarbon dating as justification to cast doubt on the great age of the Earth are either uniformed on very basic scientific facts, or else are highly being disingenuous to their audience.

Radiocarbon dating has been studied at great length over the past few decades, and its strengths and weaknesses are very well understood at this point in time.

In discussions of the age of the Earth and the antiquity of the human race, creationists often assail perceived weaknesses in radiocarbon dating. Morris, for instance, wrote, "Despite its high popularity, [radiocarbon dating] involves a number of doubtful assumptions, some of which are sufficiently serious to make its results for all ages exceeding about 2000 or 3000 years, in serious need of revision." [Morris2000, pg. Radiocarbon dating is based on the fact that the interaction of cosmic rays from outer space with nitrogen atoms in the atmosphere produces an unstable isotope of carbon, namely radiocarbon.Comparing these counts with a series of 651 radiocarbon-dated samples spanning this record, they obtained a calibration curve that is very close to the 2009 calibration shown above [Callaway2012]. It should be emphasized that the actual calibrated dates are about 10%-20% older than the raw uncorrected radiocarbon dates that were once used.Compare, for example, the uncorrected line (blue dotted line) with the calibration curve (red curve).Radiocarbon dates can be obtained from many types of organic material including charcoal, shell, wood, bone and hair.The amount of carbon dioxide in the living organism is equal to that in the atmosphere.

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Creationists often criticize radiocarbon dating in the context of discussions of the age of the Earth.

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