Question: Who discovered carbon-14 isotope?

In 1940 Martin Kamen discovered radioactive carbon-14 (an isotope of carbon) and found that it had a half-life of about 5,700 years. Scientists had also found that some of the nitrogen in the atmosphere was turned into carbon-14 when hit with cosmic rays.

Who is the scientist of carbon-14 dating?

physicist Willard F. Libby The carbon-14 method was developed by the American physicist Willard F. Libby about 1946. It has proved to be a versatile technique of dating fossils and archaeological specimens from 500 to 50,000 years old.

Why do scientists measure carbon-14 isotopes?

While the most common form of carbon has six neutrons, carbon-14 has two extra. That makes the isotope heavier and much less stable than the most common carbon form. The half-life of carbon-14 is 5,730 years, making it ideal for scientists who want to study the last 50,000 years of history.

Who got the Nobel Prize for carbon-14 dating?

Willard Libby Willard LibbyAlma materUniversity of California, BerkeleyKnown forRadiocarbon datingAwardsElliott Cresson Medal (1957) Willard Gibbs Award (1958) Joseph Priestley Award (1959) Albert Einstein Award (1959) Nobel Prize in Chemistry (1960) Arthur L. Day Medal (1961)Scientific career10 more rows

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