Radiometric dating of dinosaur fossils

Many people assume that the dates scientists quote of millions of years are as reliable as our knowledge of the structure of the atom or nuclear power.

And radioactive dating is so shrouded with mystery that many don’t even try to understand how the method works; they just believe it must be right.

You could describe the atomic workings of the quartz oscillator and how it resonates at a specific and highly stable frequency, and how this is used to accurately pace a timekeeping mechanism.

The fact is that you can only establish the time for the race if it was timed by two or more reliable eyewitnesses who observed the you cannot measure the age of a rock using radioactive dating because no-one was present to measure the radioactive elements when the rock formed and no-one monitored the way those elements changed over its entire geological history This illustrates the problem with the radioactive dating of geological events.

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?

They focus on the technicalities of radioactive decay, etc.

It's accuracy has been verified by using C-14 to date artifacts whose age is known historically.

The fluctuation of the amount of C-14 in the atmosphere over time adds a small uncertainty, but contamination by "modern carbon" such as decayed organic matter from soils poses a greater possibility for error. Thomas Seiler, a physicist from Germany, gave the presentation in Singapore.

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.

But they don’t discuss the basic flaw in the method: you cannot determine the age of a rock using radioactive dating because no-one was present to measure the radioactive elements when the rock formed and no-one monitored the way those elements changed over its entire geological history.

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And you have to check to make sure he touches the end for each lap.

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