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Posted by / 03-Oct-2019 13:31

Fossil radioactive dating

We note that at the instant the swimmer touches the end of the pool our wristwatch reads and 53 seconds.How long has the competitor taken to swim the race?Chronometric dating, also known as chronometry or absolute dating, is any archaeological dating method that gives a result in calendar years before the present time.Archaeologists and scientists use absolute dating methods on samples ranging from prehistoric fossils to artifacts from relatively recent history.

They are the result of big philosophical assumptions.Once we understand what we actually need to do we can apply the same principles to radioactive dating, and see if the methods do what they are claimed to do.Picture a swimmer competing in a 1,500 metre race and an observer with an accurate wristwatch.But the basic concept of radioactive dating, sometimes called radiometric dating, is not difficult, especially since all of us regularly calculate how much time has passed: for example, since our birth, or since we started on a walk.A swimming race is a familiar situation that illustrates the simple principles involved in measuring time.

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Those who promote the reliability of the method spend a lot of time impressing you with the technical details of radioactive decay, half-lives, mass-spectroscopes, etc.

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