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The Physics Education Technology group at the University of Colorado
shows agreement with the opinion expressed below. Fire up the
Battery-Resistor Circuit at
http://phet.colorado.edu/web-pages/simulations-base.html
and click on "Show Inside Battery" to see what I mean.
Jeff Schnick
--On Thursday, March 01, 2007 1:53 PM, John Denker wrote:
Now a philosophical and pedagogical point: If the argument is going to depend on a force unknown to physics -- certainly