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was entering the system some 12-20% faster than it was leaving.
Imagine the same tank, this time it is not yet full and the top tap is flowing more quickly than the bottom one is leaking out—this gives you a way of measuring how long ago the whole system was ‘switched on’ and it also tells you that that can’t have been too long ago (see diagram above).
Unfortunately for the ‘old-Earth’ advocates, the studies of such renowned atmospheric physicists as Suess and Lingenfelter show that C is entering the system some 30-32% faster than it is leaving it.
The model of radiocarbon dating which Libby developed, using his incorrect ‘uniform’ assumption, must therefore be corrected to fit the facts about C to start with, so they have an even greater error.
As soon as it dies, however, the C ration gets smaller.This dating method works by measuring the ratio of different isotopes of carbon in a sample using a particle accelerator, such as the ANTARES accelerator at ANSTO. The carbon-12 isotope makes up 99% of all carbon on earth, carbon-13 accounts for almost 1%, and carbon-14 is found in trace amounts.Carbon-12 and carbon-13 are both stable isotopes, but carbon-14 is unstable and is radioactive.In other words, the further you go back, the more you have to shrink the radiocarbon dates to make them fit the facts.Remember that this correction is based on measurable scientific data, not on any creationist preconceptions.