A charred piece of bread from Pompeii was among the objects Willard Libby used to test radiocarbon dating.
Sources
- How Radiocarbon Dating Unlocks Ancient History | HISTORY (history.com)
- https://chemistry.berkeley.edu/news/willard-frank-libby (chemistry.berkeley.edu)
- https://www.earthmagazine.org/article/benchmarks-may-18-1952-stonehenges-age-solved-carbon-14/ (earthmagazine.org)
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