When did you make your book entries? When was the settlement signed? When was the will made? These are often very tricky questions to answer and frequently arise in judicial contexts. In fact, the dating of documents is a key area in the field of forensic science. A new method that determines the age of a document in a less invasive way than other techniques and is also able to date documents up to five years old.
from Geochemistry News -- ScienceDaily http://ift.tt/1Y32tH6