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PBS_ACCOUNTS_PROFILE_EDIT = "https://org/accounts/profile/edit/"; PBSLM.
Atmospheric nuclear weapon tests almost doubled the concentration of Radiocarbon dating, also known as the C14 dating method, is a way of telling how old an object is. This makes it possible to tell the age of substances that contain carbon. Dates obtained are usually written as before present ('present' is 1950).
Carbon has different isotopes, which are usually not radioactive.
You probably have seen or read news stories about fascinating ancient artifacts.
At an archaeological dig, a piece of wooden tool is unearthed and the archaeologist finds it to be 5,000 years old.
Beta Analytic no longer offers radiometric dating by liquid scintillation counting.