To: XBob
I thought a physicist would know the difference between an insulator and a barrier. Explain to me what you think an insulator does.
132 posted on
09/09/2001 6:35:10 PM PDT by
Physicist
(sterner@sterner.hep.upenn.edu)
To: Physicist
a barrier blocks physical passage of something, eg, an aluminum wall is a barrier, but it is not an insulator, which blocks conduction of something less physical - eg heat, electricity etc. For example, the first electron to come out of the wall aluminum wall is not the first electron to go in, it is the last electron in the string of electrons which is bumped, and the first to go out.
136 posted on
09/09/2001 8:14:24 PM PDT by
XBob
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