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and other contributors * Released under the MIT license * * * Date: 2013-07-03 */ (function( window, undefined ) { var i, support, cachedruns, Expr, get Text, is XML, compile, outermost Context, sort Input, // Local document vars set Document, document, doc Elem, document Is HTML, rbuggy QSA, rbuggy Matches, matches, contains, // Instance-specific data expando = "sizzle" -(new Date()), preferred Doc = window.document, dirruns = 0, done = 0, class Cache = create Cache(), token Cache = create Cache(), compiler Cache = create Cache(), has Duplicate = false, sort Order = function( a, b ) , // General-purpose constants strundefined = typeof undefined, MAX_NEGATIVE = 1 ~]|" whitespace ")" whitespace "*" ), rsibling = new Reg Exp( whitespace "*[ ~]" ), rattribute Quotes = new Reg Exp( "=" whitespace "*([^\]'\"]*)" whitespace "*\]", "g" ), rpseudo = new Reg Exp( pseudos ), ridentifier = new Reg Exp( "^" identifier "$" ), match Expr = , rnative = /^[^{] \)( window ); // String to Object options format cache var options Cache = ; // Convert String-formatted options into Object-formatted ones and store in cache function create Options( options ) /* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times.

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(This, in turn, is caused by variations in the magnetic fields of the earth and sun, for example.) Although the ratio of radiocarbon to stable carbon in the atmosphere has varied over time, it is quite uniform around the globe at any given time because the atmosphere mixes very quickly and constantly.

Plants obtain all their carbon atoms from the atmosphere.

Worse still, sometimes they want to know how evolutionists use Carbon-14 to date dinosaur fossils!

This is because the amount and strength of cosmic radiation entering the earth's atmosphere has varied over time.Libby, the discoverer of the C14 dating method, was very disappointed with this problem.He understood that archaeological artifacts were readily available.He claimed that it was capable of dating animal, plant and human remains of fairly “recent’ origin. As they say on Star Trek, we are all carbon based units.Laboratory research has shown that the radioactive decay of Carbon-14 occurs in a half-life of 5,73040 years through beta decay that causes the Carbon-14 to revert back to Nitrogen-14.It is naturally unstable and so it will spontaneously decay back into N-14 after a period of time.It takes about 5,730 years for half of a sample of radiocarbon to decay back into nitrogen.Part of the result of these collisions is the production of radiocarbon (C, pronounced "c fourteen"), carbon atoms which are chemically the same as stable carbon, but have two extra neutrons.Radiocarbon is not stable; over time radiocarbon atoms decay into nitrogen atoms.For some reason, which I have not yet figured out, at least one person per week has been asking me about the Carbon-14 Radiometric Dating Technique.They want to know if it is accurate or if it works at all.