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Thu 26 Jan, 2012 06:35 pm
Does an atom grow up or get older?
@acuna22,
Atoms go through a process of decay and that measurement of decay is what scientists use to measure the age of things.
Here's a link to an article at How Stuff Works on how scientists determine the age of dinosaur bones by measuring the decay of atoms in the bones.
http://science.howstuffworks.com/environmental/earth/geology/dinosaur-bone-age.htm