Original poster: "Daniel Barrett by way of Terry Fritz <teslalist-at-qwest-dot-net>" <dbarrett1-at-austin.rr-dot-com> > although the coronatron uses a lot of power, I didn't think the sparks > were particularly long because it operates on DC which gives a much > shorter spark length for a given input power. Huh? Why would DC give a shorter aprk length per input power? db