radiocarbon dating
Example Sentences
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The fact that none of the ship's wood remained meant techniques like radiocarbon dating - which measures a form of carbon in organic materials - could not be used to determine its age.
From BBC ● Oct. 14, 2026
Researchers supplied the model with a 1,000-year earthquake history reconstructed from geological evidence, including radiocarbon dating, tree ring records, and historical observations of ground ruptures.
From Science Daily ● Jun. 18, 2026
The team used radiocarbon dating, which looks at how a special form of carbon changes over time, to work out that the structure was 5,000 years old.
From BBC ● Jun. 17, 2026
Artifacts and other materials were documented and photographed, while charcoal samples were submitted for radiocarbon dating.
From Science Daily ● Jun. 11, 2026
After eight half-lives, only 1/256 of the original radioactive carbon remains, which is too little to make a reliable measurement, so radiocarbon dating works only for objects up to forty thousand or so years old.
From "A Short History of Nearly Everything" by Bill Bryson
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