On Sep 19, 2007, at 3:43 PM, Russell McMahon wrote:

>  leading to a neutral overall charge.

That doesn't sound like much of a change, really.
It's always been a sort of "rough model" that a neutron
was a proton with an electron embedded in it, hasn't
it ?  (or is that just what the put in the sub-atomic
physics for middle-schoolers books.)

BillW
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