How scientists can use radioactive decay to find the age of certain materials.
Explore radiometric dating by watching this video narrated by geologist Dr. Hamish Campbell.
Reviews how scientists can use radioactive decay to find the age of certain materials.
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Bertram Boltwood first used radiometric dating to determine the ages of rocks and of Earth. Although his calculations were not completely accurate, he brought in an important new source of scientific information to the field of geology.