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Rasmus Nyerup's quote reminds us of the tremendous scientific advances which have taken place in the 20th century.In Nyerup's time, archaeologists could date the past only by using recorded histories, which in Europe were based mainly on the Egyptian calendar.The relative dating method worked very well, but only in sites which were had a connection to the relative scale. When radiocarbon dating was developed, it revolutionised archaeology, because it enabled them to more confidently date the past, and to build a more accurate picture of the human past.The archaeologist Colin Renfrew (1973) called it the development of this dating method 'the radiocarbon revolution' in describing its great impact upon the human sciences.They used pottery and other materials in sites to date 'relatively'.They thought that sites which had the same kinds of pots and tools would be the same age.Because carbon is very common on Earth, there are alot of different types of material which can be dated by scientists.

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Today, there are over 130 radiocarbon dating laboratories around the world producing radiocarbon dates for the scientific community.Carbon follows this pathway through the food chain on Earth so that all living things are using carbon, building their bodies until they die.A tiny part of the carbon on the Earth is called Carbon-14 (C14), or radiocarbon.Eventually, a particle is emitted from the carbon 14 atom, and carbon 14 disappears.Most of the carbon on Earth exists in a slightly different atomic form, although it is chemically speaking, identical to all carbon.

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