On Mar 4, 4:20*pm, Art Unwin wrote:
On Mar 4, 7:44*am, wrote:

On Mar 2, 10:10*pm, Bill wrote:
snip art's blathering

He is good entertainment though.


not so much any more, getting too repetitious. time for something new
now. this latest kick on cgs vs si is just a weird side show. all
the good engineering texts show the constants converted to multiple
units. for instance in Jackson they show the equations in
Electrostatic units (esu), Electromagnetic units (emu), Gaussian,
Heaviside-Lorentz, and Rationalized MKSA. The equations still
represent the same things, only the constants are changed to confuse
the uneducated... thats how we engineers tell who is who, by the units
they choose and the direction of their current flow.

for instance, art chooses cgs, which is incomplete, much like his
thought processes. and he probably thinks current flows from negative
to positive, and he seems to prefer cartesian coordinates. That puts
him firmly in the crackpot physicist zone. I prefer Gaussian units
and positive to negative flow in cartesian coordinates which marks me
as an electrical engineer educated in eletromagnetics... though i am
also happy with rationalized mksa as used in ramo whinnery and van
duzer's communcations electronics text.