Extinct nuclide dating

Wiens has a Ph D in Physics, with a minor in Geology.

When the glass is turned over, sand runs from the top to the bottom.

Radioactive atoms are like individual grains of sand--radioactive decays are like the falling of grains from the top to the bottom of the glass.

This paper describes in relatively simple terms how a number of the dating techniques work, how accurately the half-lives of the radioactive elements and the rock dates themselves are known, and how dates are checked with one another.

In the process the paper refutes a number of misconceptions prevalent among Christians today.

He was employed at Caltech's Division of Geological & Planetary Sciences at the time of writing the first edition.

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