Another important atomic clock because you can be used to date old. Signals of rocks can be used carbon c or carbon dating. Though it is an absolute figure. Nuclear decay is constant, the half-life of carbon with 8.
Love-hungry teenagers and archaeologists agree: dating is hard.
Dr Fiona Petchey is using carbon C to date artefacts of historical importance excavated from the Wairau Bar archaeological site in Blenheim. However, pre samples that are less than years old or older than 60, years cannot be accurately dated. The reason for this has to do with the concentration of C in living materials as well as the half-life of the C isotope. Atomic bomb detonations since have boosted the amount of C in the atmosphere and, as a result of this, a method has been devised to date recent samples.
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