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From: "Robert I. Eachus" <rieachus@comcast.net>
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Subject: Re: OT: Nuclear Waste (Was Re-Marketing Ada)
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Date: 2003-11-21T11:13:18-05:00
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Preben Randhol wrote:

> You mean the debrie after a couple of planes went down due to minimal
> amount of testing.
> 
> or perhaps the debrie of the Ariane missels?

How about the number of passengers who were killed during testing of the 
  Airbus 340?  It was monumentally stupid of Airbus to have passengers 
during required testing, but the crash was one that would only occur 
during thorough testing.  If thorough testing wasn't required, probably 
no other A340 would have crashed for the same reason.

So there is a trade-off involved, and the right answer is to cut-off the 
testing at a point where the testing is more likely to kill people than 
not doing the test.

Incidentally, the A320 is an example of the opposite effect.  There were 
flaws in the design of the autopilot that were not discovered during 
testing, and it took several crashes of the A320 in service with full 
passenger loads before the problems were found.

In the GM foods case, the equivalent point is where resources spent on 
testing could better be spent on dealing with natural mutations.  Right 
now, the GM foods are ridiculously over tested by that standard.

-- 
                                           Robert I. Eachus

100% Ada, no bugs--the only way to create software.