carbon-14
The clock that starts ticking when something dies
A help in solving crimes and a revealer of history’s secrets: radiocarbon dating is one of the keys that unlocks our world. Willard Libby. There would be heaps of the stuff in sewage. was sure of it. It was the mid-1940s, and the US chemist’s goal was to find a radioactive form of carbon, carbon-14,…
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