On Sat, 28 Jan 2006 04:03:36 -0800, Frank Gilliland
wrote:

+Silver oxidizes when exposed to the elements, rendering it a poor
+conductor in a very short time. Diameter is practically irrelevant at
+the power levels we are discussing.
*****

I do believe that silver oxide is the only metalic oxide that is
conductable.

all others are not.

james