John Fields wrote:
I said nothing about Emily Post. ...
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Oh, my! She says one thing, ...
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More unsubstantiated twaddle.
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Just because you can't ...
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It most certainly _is_, since it's what determines the difference
between fluctuating direct current and true alternating current.
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Well, since you consider matters of significance ...
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I see. You've come to the end of your rope ...

One statement (quoted in full above) that (even though wrong) at
least has something to do with the topic, Six out of seven
comments are piddly attempts a childish and gratuitous insults.

No discussion John. I don't waste time teaching basics to grown
men who have temper tantrums in public.

--
Floyd L. Davidson http://web.newsguy.com/floyd_davidson
Ukpeagvik (Barrow, Alaska)