Carbon dating accurate wiki
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For two important reasons, this does not mean that the sample comes from 3619 BC: Many types of tree reliably lay down one tree ring every year.The wood in these rings once laid down remains unchanged during the life of the tree.
Enipedia knows of 238 sites with one or more nuclear reactors.Consult Working with Enipedia for help and instructions.Enipedia is about the liberation of data - we've stored it in this Semantic Wiki in order to be able to query it.Thus, a rich, up-to-date, accurate picture is created of the state of electric power supply around the world - what resources are being used, what technologies are employed, what about conversion efficiencies and emissions?We believe this is important because electricity is pivotal to modern society.Enipedia allows you to annotate database content with free text.
Also, text can be mixed with query results: for example, the number of nuclear sites in the world is 238; there are 390 hydropower plants in Brazil known to enipedia.This figure is directly based on the proportion of radiocarbon found in the sample.It is calculated on the assumption that the atmospheric radiocarbon concentration has always been the same as it was in 1950 and that the half-life of radiocarbon is 5568 years.We URGE you to correct errors and omissions that you spotted and to add new power plants or plans for new power plants if you know of them.You are also welcome to develop your own queries to the database, to evolve new selections and views of the data contained.Each of these pages is built from a single query on enipedia's database.