[TCML] small ionizing source on top of toroid

[davep at quik.com]

> Has anyone tried to place a small source of ionizing radiation on top of
> a toroid (such as Americium used in ionization-chamber smoke detectors)
> to see the effect?
     For myself, i wouldn't.
     1) the voltages present are way more ionizing than
        the source.
     2) such sources are usually labelled:
          do not eat
        or equivalent: there is a reason for this.
        blasting little bits off the source with hv 'arcs'
        seems a good way to inhale or ingest small bits
        RADIOACTIVE source....

     best
      dwp