Attempt to model the decay chain of the thorium series.

Attempt to model the decay chain of the actinium series. The simulator has enormous difficulties, due to the vast discrepency between the various desintegration half lives (between 10^8 years and some milli-seconds).

Attempt to model the decay chain of the uranium series.

Attempt to model the decay chain of the neptunium series.

Attempt to model the decay chain of the thorium series.

Attempt to model the decay chain of the thorium series.

Attempt to model the decay chain of the thorium series.