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24(3):34–37, 2004 How many times have you heard something like, ‘This animal lived 50,000 years ago’, or ‘This person died 20,000 years ago’?
Have you ever wondered how the scientists knew the age of the bone?
Most radiocarbon dating today is done using an accelerator mass spectrometer, an instrument that directly counts the numbers of carbon 14 and carbon12 in a sample.
A detailed description of radiocarbon dating is available at the Wikipedia radiocarbon dating web page.
Follow the links below to learn more about radiocarbon dating. Radiocarbon dating uses carbon isotopes A special kind of radiocarbon dating: Bomb radiocarbon dating Although an element’s number of protons cannot change, the number of neutrons can vary slightly from each atom.