How does radiocarbon dating work

01 Feb

Recall that atoms are the basic building blocks of matter.Atoms are made up of much smaller particles called protons, neutrons, and electrons.There are two techniques in measuring radiocarbon in samples—through radiometric dating and by Accelerator Mass Spectrometry (AMS).

"Everything which has come down to us from heathendom is wrapped in a thick fog; it belongs to a space of time we cannot measure.Scientists use a technique called radiometric dating to estimate the ages of rocks, fossils, and the earth.Many people have been led to believe that radiometric dating methods have proved the earth to be billions of years old.Since that decays and the other $\ce$-isotopes don't, over the years, the percentage of $^\ce$ is getting lower and lower at a constant rate (you can calculate that rate with the half-time of $^\ce$).Now when you measure the relative amount of $^\ce$ in a skeleton, you know since when it hasn't eaten anymore, so you know how old it is.