Carbon dating was used routinely from the 1950s onward, and it confirmed the age of these historical remains.
Radiocarbon dating is a method used to date materials that once exchanged carbon dioxide with the atmosphere; in other words, things that were living.
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For the record, a beta-particle is a specific type of nuclear decay. Image 1 shows carbon-14 production by high energy neutrons hitting nitrogen-14 atoms, while in Image 2, carbon-14 naturally decomposes through beta-particle production.
Notice that the nitrogen-14 atom is recreated and goes back into the cycle.
Libby was awarded the Nobel Prize in chemistry for his work in 1960.
Because of the carbon cycle, there is always carbon-14 present in both the air and in living organisms.It is often used on valuable artwork to confirm authenticity.For example, look at this image of the opening of King Tutankhamen's tomb near Luxor, Egypt during the 1920s.Atmospheric carbon-14 rapidly reacts with oxygen in air to form carbon dioxide and enters the carbon cycle.Plants take in carbon dioxide through photosynthesis and the carbon-14 makes its way up the food chain and into all living organisms.