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Carbon dating accuracy called into question after major flaw discovery
Radiocarbon Date calculation
Almost everyone has heard on the news about archaeological findings claiming to have discovered a 12, years old bone, or a tomb with a skeleton of an individual who died 18, years ago. Do you remember when they found the famous tomb of Tutankhamun in Egypt? We have certainly been to a Natural History museum and saw exhibits of dinosaur or mammoth skeletons weather they are real or replicas. We might have seen displays of how our pre-historic ancestors looked like, and every display would indicate in the information box the date they were alive. But have you ever wonder how scientists can tell how old they are?
Formula For Carbon Dating - Carbon Dating System
Archaeologists use the exponential, radioactive decay of carbon 14 to estimate the death dates of organic material. The stable form of carbon is carbon 12 and the radioactive isotope carbon 14 decays over time into nitrogen 14 and other particles. Carbon is naturally in all living organisms and is replenished in the tissues by eating other organisms or by breathing air that contains carbon.
Geologists often need to know the age of material that they find. They use absolute dating methods, sometimes called numerical dating, to give rocks an actual date, or date range, in number of years. This is different to relative dating, which only puts geological events in time order.