How reliable is carbon 14 dating


16-Apr-2015 12:01

Typically, a Master's Degree in chemistry is required because of the extensive lab work.Increasingly though, students are learning about the principles of radiocarbon dates in archaeology, palaeontology and climate science degrees and can combine cross-disciplinary studies.It also has some applications in geology; its importance in dating organic materials cannot be underestimated enough.In 1979, Desmond Clark said of the method “we would still be foundering in a sea of imprecisions sometime bred of inspired guesswork but more often of imaginative speculation” (3).

The other method is “Relative Dating” which gives an order of events without giving an exact age (1): typically artefact typology or the study of the sequence of the evolution of fossils.

The method developed in the 1940's and was a ground-breaking piece of research that would change dating methods forever. Libby calculated the rate of radioactive decay of the C isotope (4) in carbon black powder.



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Because the backdated options’ strike price is lower than the market price on the actual grant date, the recipient has received something of greater monetary value (even if the options have not yet vested) than a correctly dated at-the-money option.[4] Companies could reward executives with cash compensation or additional properly dated and priced incentive awards, including options, rather than engage in dubious backdating practices.[5] It is clear that there must be reasons other than greed that have led so many to backdate executive options.[6] Academics, regulators, and practitioners alike have tried to gain a better understanding of these incentives and the roles they have played in the backdating scandal; however, there is as of yet no consensus regarding the causes of backdating.[7] This is problematic because policy, legislative, or regulatory changes are unlikely to be effective if the root causes are unknown. In 2008, the long-term capital gain rate for individuals in the lowest two tax brackets (currently 5% and 15%) was further reduced to zero. … continue reading »


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