Applet:Decay
http://lectureonline.cl.msu.edu/~mmp/applist/decay/decay.htm

W. Bauer, Learning Online Network

This website features an animation of the process of radioactive decay. Users can select the half life of the nuclei and watch them decay away as a function of time. Shown also is a histogram of the number of nuclei remaining at a given time.

This resource is referenced here:

• Cutting Edge:Visualization:Visualization Collections: Radioactive Decay and Absolute Age Determinations

Keywords: absolute age, geologic time