The rate at which nuclei decay is constant. ... graph paper marker Give each group a shoe box and one set (80) of either pennies, dice, or sugar cubes. Explain that the pennies, ...

For example, if radioactive decay isn't constant, then adjustments will have to be made for its use in dating materials, especially in the case of Carbon-14 dating.

The BNL team found that over that period the decay constant of silicon–32 — relative to a long-lived standard — modulated around its usual value of about 172 years by the order of 0.1%. What is more, ...