Archived posting to the Leica Users Group, 2002/04/18

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Subject: Re: [Leica] Re: [OT} carbon 14 dating
From: John Collier <>
Date: Thu, 18 Apr 2002 15:09:53 -0600

Actually they measure the ratio of the carbon 14 to carbon 12. As time 
goes by carbon 14 decays into carbon 12 and the ratio of carbon 14 to 
carbon 12 changes. The whole process is explained below so I do not have 
to blab on endlessly :-)

John Collier

On Thursday, April 18, 2002, at 02:49 PM, wrote:

> writes:
>> You mean the test where they measure the *decay* of various carbon 
>> atoms?
>>  That test?  :)
> yep, the decay of a radioactive isotope of carbon.  It's not the normal 
> carbon that's decaying.

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Replies: Reply from "Doug Lee" <> (Re: [Leica] Re: [OT} carbon 14 dating)
Reply from Jeffery Smith <> (Re: [Leica] Re: [OT} carbon 14 dating)