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One of the most well-known applications of half-life is carbon-14 dating.

The half-life of carbon-14 is approximately 5,730 years, and it can be reliably used to measure dates up to around 50,000 years ago.

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Inscriptions, distinctive markings, and historical documents can all offer clues to an artifact's age.

Stephen Mattingly - Previously unpublished response to the article "A Letter to Hershel Shanks, Editor of BAR" by Dr.

Alan Whanger - Previously unpublished response to the article When the Shroud of Turin went on display this spring for the first time in 20 years, it made the cover of Time magazine with the blurb "Is this Jesus?

The process of carbon-14 dating was developed by William Libby, and is based on the fact that carbon-14 is constantly being made in the atmosphere.

It is incorporated into plants through photosynthesis, and then into animals when they consume plants.

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