It was later measured more accurately to be 5730±40 years, now known as the ''Cambridge half-life''.<ref name="TH" />
It was later measured more accurately to be 5730±40 years, now known as the ''Cambridge half-life''.<ref name="TH" />
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== Widespread misunderstandings ==
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Many people believe that carbon dating has proved that the Earth is millions or billions of years old, much older than the biblically-derived date of around 6,000 years.
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However, as explained above, carbon dating is incapable of providing dates in the range of millions or billions of years.
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Some also argue that carbon dating should only be used on samples that fall within the range over which it can measure.
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However, this begs the question of how one might determine this prior to using carbon dating to determine the age.
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They further argue that dating much older items will result in anomalous dates, which might fall within the range that carbon dating can measure.
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This is incorrect. Any sample that is older than the range that carbon dating will measure will record zero <sup>14</sup>C, and can therefore not be confused with younger samples.