Carbon 14 dating is a type of

Carbon-14 is radioactive, with a half-life of about 5,700 years.For more information on cosmic rays and half-life, as well as the process of radioactive decay, see How Nuclear Radiation Works.The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century.No other scientific method has managed to revolutionize man’s understanding not only of his present but also of events that already happened thousands of years ago.(The periodic table of the elements also reflects the existence of isotopes by showing a weighted average for the atomic weight of each element, but I digress.) The first two isotopes, 12 C and 13 C, are stable, but 14 C is unstable; that is, it's radioactive! In other words, the amount of 14 C in dead organic matter will grow smaller.

But there are different types of carbon, called isotopes.

And say that every 5,568 years you add another gallon of water to the mixture.

Doing that basically cuts the concentration of blue dye in half.

Radiocarbon, or carbon 14, is an isotope of the element carbon that is unstable and weakly radioactive. Carbon 14 is continually being formed in the upper atmosphere by the effect of cosmic ray neutrons on nitrogen 14 atoms.

It is rapidly oxidized in air to form carbon dioxide and enters the global carbon cycle.

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