For example, by coupling his scanner to a special computer program anthropology professor Lawrence B.
Radiocarbon Dating Up until the 1950s archaeological finds were dated mostly by guesswork — and the results could be off by many centuries.
But the discovery of radiocarbon revolutionized archaeology and other sciences as well.
Careful notes are kept of changes in sediment, and of each object (however fragmentary) found within each square.
The idea is to create a 3-D picture of the area — a picture through time.
Eighteen-hundred years ago it hung in the Roman census bureau, the most detailed map of the city ever produced. Today it languishes in the basement of a museum, smashed.