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The measurement precision depends not only on the initial amount of sample available and the age of the sample but also on the shape of the calibration curve at the time period to which the sample belongs.

The same accuracy of measurement of two samples can result into a different final accuracy after calibration as can be seen in the examples of Table 1.

So what do I do when I am not working on the next great American work of literature?

Well, Rock climbing is one of my greatest thrills it gives me the feeling of working with nature to push myself beyond my limits.

Archaeologists use the exponential, radioactive decay of carbon 14 to estimate the death dates of organic material.

The stable form of carbon is carbon 12 and the radioactive isotope carbon 14 decays over time into nitrogen 14 and other particles.

Radiocarbon dating is a method of estimating the age of organic material.

Cosmic rays enter the earth's atmosphere in large numbers every day and when one collides with an atom in the atmosphere, it can create a secondary cosmic ray in the form of an energetic neutron.Every day I wake up thrilled that people pay me to do the thing I love.Writing fits really well with my easygoing attitude and gives me the flexibility to do what I want.Radiocarbon dating can be used on samples of bone, cloth, wood and plant fibers.The half-life of a radioactive isotope describes the amount of time that it takes half of the isotope in a sample to decay.

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Libby and coworkers, and it has provided a way to determine the ages of different materials in archeology, geology, geophysics, and other branches of science.

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