Carbon dating go
Archaeologists have found evidence of cosmetics or makeup being used in Egypt dating back as far as the fourth millennium BC, including artifacts of eye makeup and objects used for the application of scented ointments.This is how carbon dating works: Carbon is a naturally abundant element found in the atmosphere, in the earth, in the oceans, and in every living creature.
It was believed for two centuries that it was an absolute constant, but scientists have recently discovered that it fluctuates based upon several different factors.
Organic materials that have been preserved in some way can be dated using this technique, called radiocarbon dating.
There are limits to how far back we can look with radiocarbon dating, but it is very helpful in a lot of cases were the age of the material…
C-12 is by far the most common isotope, while only about one in a trillion carbon atoms is C-14.
C-14 is produced in the upper atmosphere when nitrogen-14 (N-14) is altered through the effects of cosmic radiation bombardment (a proton is displaced by a neutron effectively changing the…