Re: [SI-LIST] : What's your favorite Screwy SI Concept?

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From: Jim Freeman (freeman@broadcom.com)
Date: Fri Jan 14 2000 - 14:15:05 PST


Hi Adrian,
    William Wallace couldn't have said it better.
Jim Freeman

Adr Shiner wrote:

> It is one thing to disclose the intellectual property of your ex employer.
> it is another for lawyers to try & gag you on discussing textbook
> engineering and general experience which supports your ability to put food
> into your mouth and a roof over your head! Come and live in the UK, the
> taxes might be high but we have a certain understanding of lawyers and their
> ilk.
>
> Adrian
>
> ----- Original Message -----
> From: Bradley S Henson <bhenson@notes.west.raytheon.com>
> To: <si-list@silab.eng.sun.com>
> Sent: 10 January 2000 15:55
> Subject: Re: [SI-LIST] : What's your favorite Screwy SI Concept?
>
> >
> >
> > Michael,
> >
> > For those who have not been through one of those exit interviews with the
> > corporate lawyers, it may seem like a convenient excuse. However, I can
> testify
> > that those lawyers *don't* mince words about what can and cannot be
> disclosed
> > upon termination. When in doubt, keep silent on the subject. Inconvenience
> is a
> > small price to pay considering the havoc those folks could cause to your
> > personal pocketbook.
> >
> > Brad Henson,Raytheon
> >
> >
> >
> >
> >
> >
> >
> >
> > Michael Vrbanac <vrbanacm@swbell.net> on 01/08/2000 07:36:14 PM
> >
> > Please respond to si-list@silab.eng.sun.com
> >
> >
> >
> >
> >
> >
> >
> >
> > To: si-list@silab.eng.sun.com
> >
> > cc: (bcc: Bradley S Henson/RWS/Raytheon/US)
> >
> >
> >
> > Subject: Re: [SI-LIST] : What's your favorite Screwy SI
> > Concept?
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Lee,
> >
> > I can explain it and have but I won't as I explained before. I have had
> > laboratory
> > evidence but could not retain it as it was left at a previous place of
> > employment.
> > Sorry! That was in accordance with my work agreement. And, of course, as
> > many have said to me before... "that's such a convenient excuse!" Again,
> sorry!
> >
> > As a consolation for those disappointed, I will give only one final hint.
> For
> > those
> > who love simplicity, it indeed is. For those who love the complex, an
> important
> > piece of it can be seen in a section in a highly revered tome written by a
> well-
> > respected author but it is not in a form that you would normally expect.
> > After seeing that, and considering its implications, compelling supporting
> > evidence
> > can be seen in many texts. ( Those of you who already know, don't give
> > it away! You'll spoil the learning experience for everyone else.) Ok, one
> more
> > hint and its the very last... and this I will credit to Michael Chan....
> think
> > of WHY
> > someone might have needed to do something like this, what they needed to
> > accomplish, and where it just might make some sense.
> >
> > Have fun! <grin> Hopefully, the search might prove fruitful for many
> looking
> > for it
> > even beyond learning about the 20H rule and where it really applies. And
> > maybe...
> > just maybe, we can "unscrew" one "screwy rule" AND we might just all be
> > in agreement about it!!!
> >
> > Once you figure it out, you will probably agree with me when I say that
> the 20H
> > rule
> > may not provide significant benefit for every application in every design
> but it
> > does have its uses.
> >
> > Michael
> >
> > Lee Ritchey wrote:
> >
> > > Michael,
> > >
> > > If you cannot explain the 20h rule, do you have any laborator evidence
> to
> > support it?
> > >
> > > Lee
> > >
> > > Michael Vrbanac wrote:
> > >
> > > > Hi, Michael,
> > > >
> > > > That is my point exactly. The "screwy rule" was driven by some need
> > > > at some time and place and more than likely be viewed negatively in
> > > > an industry segment where the need to use it is much less. The funny
> > > > "human thing" to do is to therefore deny the existence of anything
> we've
> > > > never seen or attempted to simulate.
> > > >
> > > > As I have, over time, attempted to "thoroughly explain" what I believe
> > > > the 20H rule is "doing and what it is meant to do", I never seem to
> get
> > > > folks to accept that explanation for whatever reason even though there
> > > > have been designs which have benefitted from it. So I don't offer
> > > > explanations anymore. Now I just let folks figure it out for
> themselves.
> > Its
> > > > a whole like trying to argue about "grounding methodologies" with
> someone
> > > > who is intently opposed to your position. You can't possibly create
> any
> > > > scenario to convince them otherwise. So the discussion is useless
> > especially
> > > > in a public forum. Perhaps you might understand what I mean if I
> > > > asked you to defend exactly why it wouldn't work and let the process
> > > > go from there.
> > > >
> > > > I was serious about the point about being careful of what one claims
> as
> > > > "non-applicable" or "nonsense" from a global sense (i.e. all
> disciplines and
> > > > sub-disciplines) unless it clearly violates Maxwell Equations. By
> doing
> > > > so, it amounts to a claim of infallibility both in reasoning and test
> > vehicle
> > > > methodology and measurement. That's a pretty arrogant position and
> > > > I try to stay away from that. The best anyone can say is that, based
> on
> > > > their testing and particular methodology and measurement, the
> principle
> > > > will or will not be applicable for that particular situation.
> > > >
> > > > Again, the creation of some of the "screwy rules" came from a need to
> > > > address a certain type of problem and it was apparently successful
> > > > enough to gain a widespread audience in its application. Was it all
> > > > hoopla or was it a practical solution for a particular problem that
> many
> > > > of us still don't understand? Either one is possible.... you must
> decide.
> > > >
> > > > Michael E. Vrbanac
> > > >
> > > > "Chan, Michael" wrote:
> > > >
> > > > > My 2 cents is to find out how a "screwy rule" being drawn out. A
> > > > > rule ( no matter it is good or bad ) has to come out from some
> initatives
> > > > > and/or motivatives. I don't think a rule can come out from nowhere.
> I
> > > > > believe
> > > > > a rule based on solid fundamental concepts cannot be wrong by that
> much
> > and
> > > > > any derivative from real world observations can be corrected and/or
> > > > > improved.
> > > > >
> > > > > I believe building some test structures in order to see whether a
> rule
> > will
> > > > > break or not cannot help to try to understand how a rule being drawn
> up
> > and
> > > > > whether a rule make sense or not.
> > > > >
> > > > > For example, take the famous " 20H RULE " as a case. Can anyone,
> > especially
> > > > > the originator(s) ( if there is some ) of the 20H Rule explains the
> > physical
> > > > >
> > > > > concepts behind how this rule is being drawn up?
> > > > >
> > > > > Michael Chan
> > > > >
> > > >
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