The history of radiocarbon dating
In Nyerup's time, archaeologists could date the past only by using recorded histories, which in Europe were based mainly on the Egyptian calendar.They used pottery and other materials in sites to date 'relatively'.Some of the carbon-14 might find its way into living creatures.
dating hkstory by comparing the three different isotopes of carbon.
For other examples, see the essays on Temperatures from Fossil Shells and Arakawa's Computation Device.
The prodigious mobilization of science that produced nuclear weapons was so far-reaching that it revolutionized even the study of ancient climates.
Nuclear laboratories, awash with funds and prestige, spun off the discovery of an amazing new technique radiocarbon dating.
The radioactive isotope carbon-14 is created in the upper atmosphere when cosmic-ray particles from outer space strike nitrogen atoms and transform them into radioactive carbon.
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The total mass of the isotope is indicated by the numerical superscript.