Re: Isotropic Capacitance

"Some how suggestions and general rules of thumb often magically develop
into canonical law when repeated often enough in closed circles.
How true.  How much of our society is run by myth, hearsay, and 
superstition.  I have seen much of this in my own field of radar
engineering, where somebody's "rule of thumb" becomes an immutable
law of nature in as little as five years!