Carbon dating not useful metal artifacts
There are over forty such techniques, each using a different radioactive element or a different way of measuring them.
Some of the atoms eventually change from one element to another by a process called radioactive decay.
His Ph D thesis was on isotope ratios in meteorites, including surface exposure dating.
He was employed at Caltech's Division of Geological & Planetary Sciences at the time of writing the first edition.
The goal is to promote greater understanding on this issue, particularly for the Christian community.
Many people have been led to be skeptical of dating without knowing much about it. In spite of this, differences still occur within the church.