On Thu, 26 May 2005, Wouter van Ooijen wrote:

>> Among other things, we included lots of sanity checks
>> internally so that
>> any inconsistency found, no matter how small, would lock the
>> instrument
>> up and display an error code with a message to call me and tell me
>> exactly what this said, that I could trace this to a specific line of
>> code. Those mostly served to show us the mistakes before we
>> ever shipped
>> the first instrument.  But they also allowed me to precisely diagnose
>> and correct an error found by a customer thousands of miles away.
>
> Good practice indeed, but how do you apply that to a space shuttle in
> descent? For one thing, AFAIK a cell phone does not work at the critical
> moments :(

Build less than 2000 Shuttles and fly significantly less then 2000 
missions ? Murphy never sleeps anyway. He is going to get you 
eventually. This is the one guy who will never be downsized.

Peter
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