Radioactive dating cold

While the moment in time at which a particular nucleus decays is unpredictable, a collection of atoms of a radioactive nuclide decays exponentially at a rate described by a parameter known as the half-life, usually given in units of years when discussing dating techniques.After one half-life has elapsed, one half of the atoms of the nuclide in question will have decayed into a "daughter" nuclide or decay product.

This predictability allows the relative abundances of related nuclides to be used as a clock to measure the time from the incorporation of the original nuclides into a material to the present.This transformation may be accomplished in a number of different ways, including alpha decay (emission of alpha particles) and beta decay (electron emission, positron emission, or electron capture).Another possibility is spontaneous fission into two or more nuclides.Soon after, cold fusion research also revealed that nuclear transmutations, forming many new elements, occur liberally.Even purposely-added radioactive uranium and thorium in cold fusion-type cells resulted in transmutations, and the disappearance of up to 95 percent of the radioactivity in hours or minutes.

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