Isn't beta decay controlled by the weak force? Again I don't know exactly how this all works, but that's my basic understanding of it. The results from AMS testing are in the form of ratios of 12 C13 Cand 14 Cwhich are used to calculate Fm, the "fraction modern". Dormant volcanoes can also emit aged carbon. If they were, we wouldn't have had photons. If the basic constants of the universe weren't, in fact, constant, we'd observe effects out there in deep space or maybe not so deep space that would be inexplicable. Leaving comments on product information and articles can assist with future editorial and article content.
Deep time Geological history of Earth Geological time units.