Who invented carbon dating

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Scientists discovered that rocks could be timepieces -- literally.

Many chemical elements in rock exist in a number of slightly different forms, known as isotopes.

The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century.

No other scientific method has managed to revolutionize man’s understanding not only of his present but also of events that already happened thousands of years ago.

Using fossils as guides, they began to piece together a crude history of Earth, but it was an imperfect history.

After all, the ever-changing Earth rarely left a complete geological record.

Before then, the Bible had provided the only estimate for the age of the world: about 6,000 years, with Genesis as the history book.

Hutton's theories were short on evidence at first, but by 1830 most scientists concurred that Noah's ark was more allegory than reality as they documented geological layering.

It is rapidly oxidized in air to form carbon dioxide and enters the global carbon cycle.

Measuring the uranium-to-lead ratios in the oldest rocks on Earth gave scientists an estimated age of the planet of 4.6 billion years.

Segment from A Science Odyssey: "Origins."Geologists have calculated the age of Earth at 4.6 billion years.

In this method, the sample is in liquid form and a scintillator is added.

This scintillator produces a flash of light when it interacts with a beta particle.

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