Radioactive carbon dating cost

radioactive carbon dating cost-34

Radioactive decay can be used as a “clock” because it is unaffected by physical (e.g. For instance, the amount varies according to how many cosmic rays reach Earth.

This is affected by solar activity and the earth’s magnetic field.

From these records a “calibration curve” can be built (see figure 2, below).

A huge amount of work is currently underway to extend and improve the calibration curve.

The calibrated date is also presented, either in BC or AD or with the unit cal BP (calibrated before present - before 1950).

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