There was once a time when I was skeptical about radioactive dating. You can measure the level of a substance, but you can’t say anything about the age of an object unless you know how much was there to begin with! Then I read Hoyle’s cosomology book, and it all made sense. In at least one case (the age of the Earth), the method is significantly more sophisticated, involving 5 different isotopes, and the logic is undeniable. So here it is, according to Hoyle…
