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All rights reserved. Professor Willard Libby, a chemist at the University of Chicago, first proposed the idea of radiocarbon dating in Three years later, Libby proved his hypothesis correct when he accurately dated a series of objects with already-known ages.

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Radiocarbon dating can easily establish that humans have been on the earth for over twenty thousand years, at least twice as long as creationists are willing to allow.

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M artin Kamen had worked for three days and three nights without sleep. The US chemist was finishing off a project in which he and a colleague, Sam Ruben, had bombarded a piece of graphite with subatomic particles. The aim of their work was to create new forms of carbon, ones that might have practical uses. Exhausted, Kamen staggered out of his laboratory at Berkeley in California, having finished off the project in the early hours of 27 February

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