Tag: exponential
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LiveScience: How do scientists figure out how old things are?
LiveScience has an informative piece about how scientists measure the age of something. The article mentions radiocarbon dating for more recent organic material and uranium-thorium-lead for older objects. But, there are other radioactive substances that can also be used, such as potassium-argon. Check it out if you’ve been curious how the process works. The ability…