Newbie that don't understand

[Cameron Laird]

In article <3D1E56EC.7080203 at SPAMnwinternet.com>,
Jim  <jbublitzNO at SPAMnwinternet.com> wrote:
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>chemistry, like a battery). Electrons leave the negative
>terminal and flow towards the positive terminal (blame
>this on whoever decided protons were positive and electrons
>negative).  The electro-motive force (emf, which is what
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It was a collective decision.  Like several other historical
puzzles, it took all of us working together to reach this
confusing state.  Franklin and contemporaries figured out
that it was good to identify a polarity attribute of static
electricity.  At the macroscopic level, this binary distinc-
tion is arbitrary.  They happened to choose the one where
electrons--which happen to be the charge carriers for con-
ventional Terran electronics--are called "negative".
Electrons weren't identified conceptually for over a century,
by J. J. Thomson and peers.
-- 

Cameron Laird <Cameron at Lairds.com>
Business:  http://www.Phaseit.net
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