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Carbon dating activity answers to riddles

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Which date back to million years? Your specious attempt to characterise it as something other is precisely that - specious. These cosmic rays collide with atoms in the atmosphere and can cause them to come apart. There's no problem there, right?

Not that this has stopped creationists in the past. Looked up the same tables, did you?

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As usual, personal pronouns directed toward the original author, in this case the hilariously named Mike Riddle. Scientists use a technique called radiometric dating to estimate the ages of rocks, fossils, and the earth. The same is not necessarily true of marine organisms, and indeed, determining this was one of the first tasks that scientists set out to perform. Assumptions in the scientific community are extremely important.

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The fact that my tropical fish are alive and happily swimming in my aquarium spawning fit to bust provides evidence that your fantasy flood never happened. One is for potentially dating fossils once-living things using carbon dating, and the other is for dating rocks and the age of the earth using uranium, potassium and other radioactive atoms. The following illustration demonstrates how the age is estimated using this ratio.

Are you fucking stupid or what? But even without it, life on Earth will continue, researchers say. All radiometric dating methods use scientific procedures in the present to interpret what has happened in the past. Is the explanation of the data derived from empirical, observational science, or an interpretation of past events historical science? As the above reproduction of Libby's words clearly demonstrates.

The cosmic-ray flux, and hence the production rate of C, is a function not only of the solar activity but also of the magnetic dipole moment of the Earth. The increase could knock out power grids, scramble the communications systems on spacecraft, temporarily widen atmospheric ozone holes, and generate more aurora activity. Thus, the specific activity of living carbon should be that number. We were interested in testing whether any of the various effects which might be predicted could actually be found and used.

The decay rate of radioactive elements is described in terms of half-life. Seriously, I am sooo addicted to Polls and Surveys now!

The illustration below shows the three isotopes of carbon. The use of carbon dating is often misunderstood. This is a critical assumption in the dating process.

It isn't used to date true fossils because, wait for it, true fossils contain no carbon! Nitrogen, the abundant nitrogen isotope, reacts essentially quantitatively to form carbon with the elimination of a proton. Indeed, alpha recoil track dating advice the Carboniferous Era was so named precisely because many of its strata are coal bearing strata.

This would result in giving older dates than the true age. The stronger the field is around the earth, the fewer the number of cosmic rays that are able to reach the atmosphere. Want me to point everyone at it? Might this have something to do with the fact that you would have to rewrite the whole of physics to do this?

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But when scientists have data from samples of known age with which to calibrate the dating technique, this isn't a problem! Except that scientists have already done this and verified that the dating technique is valid, using several independent checks.

Sadly for you, in the real world, assertions such as this, bereft of genuine, substantive evidential support, do not constitute established fact. In other words, once again, when reality and doctrine differ, you assert that reality is wrong and doctrine is right. Once again, this is merely a case of scientists doing their job properly, namely paying attention to reality.

But when scientists have access to thousands of data points from material of known historical age with which to calibrate the dating technique, this does not matter. Are there any assumptions involved in the dating method?

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The time between reversals varies widely, however. More complex models have since been devised. There are two main applications for radiometric dating.

The TalkOrigins link I provided earlier dealing with Hovind's erection of the decaying magnetic field bullshit covers this base. Recall that atoms are the basic building blocks of matter. At least, real scientists do. The construction of calibration curves has been an essential part of chemistry for decades.

And guess how they determine this? What they do is gather together large numbers of samples of material of known age and analyse the ratios in those samples in order to provide the calibration baseline. If this assumption is not true, then the method will give incorrect dates. He didn't seem troubled in his Nobel Lecture above.

Compasses would point south instead of north. This is empirical, observational science. The Flintstones is not a documentary.

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