Who invented the method of radiocarbon dating
Fortunately, it is so simple - which is probably not always the case with chemical research distinguished with the Nobel Prize - that everyone should be able to understand the conditions and principles for its execution.Carbon-14 is a kind of carbon, an isotope of carbon with an atomic weight of 14, which is found in the carbon dioxide of the air.Because the activity of the carbon atoms decreases at a known rate, it should be possible, by measuring the remaining activity, to determine the time elapsed since death, if this occurred during the period between approximatively 500 and 30,000 years ago.
Carbon-14 is thus said to have a half-life of 5,600 years.
Professor Willard Libby has been selected to be the prize-winner for his method of age determination of materials of biological origin by use of carbon-14 as a measurer of time.
His method has obtained widespread use and has become indispensable in archaeology, geology, geophysics and other sciences.
The carbon-14 method is a complement to those methods, enabling more accurate determinations to be made.
The carbon-14 method has also been applied in oceanography, for example, for the dating of relatively recent sea sediments.
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In about one million million of these carbon atoms, there is only one which has an atomic weight of 14.