Re: lightning dangers

[Herb Gottlieb <herbgottlieb@JUNO.COM>]

On Fri, 30 Apr 1999 10:10:14 -0500 Joseph Bellina
<jbellina@SAINTMARYS.EDU> writes:
> I have read few of the previous notes, so this may have been covered,
> but the shock you feel from static electricity is not electrical, but
> thermal because of the high current density at the point of contact.
When
> you hold on to a metal object, a pin or a key, the current is
distributed
> over a large area, the current density is reduced, and you feel
> nothing.

What do you mean by "current density?"  Current refers to the number of
electrons
that pass a given point in a given amount of time.  But CURRENT DENSITY
?????

Herb Gottlieb from New York City
(Where our population density is greatest in the inner city)