[Elecraft] easy source of static dissipating work mat?

Jon Kåre Hellan hellan at acm.org
Fri Dec 12 02:29:42 EST 2008


Dr. James C. Garland wrote:
> One of the interesting properties of two-dimensional
> conductors is that the measured resistance is independent of the spacing
> between the probes. In other words, one will get the same measurement on an
> ohmmeter if the probes are one centimeter apart as if they are one meter
> apart, provided the mat is larger than the probe spacing. 
> 
> This result may seem counter-intuitive, but it makes sense if you think
> about the lines of electic current that flow between the probes.

Can't resist:
http://xkcd.com/356/

Jon LA4RT


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