jcolwell wrote: I was Chief Scientist on more than a dozen major scientific sea trials during my 35 year career*. Every critical item had at least one identical backup. That increased the cost of performing each trial significantly. OTOH, the cost of not performing during a seal trial (or during a \'shoot\') is far greater. The fact that backups had to be used on more than one trial simply justifies the additional the expense. Same for photomatography.
Accurate and precisely stated. (Though I have a doubt about the last sentence. Is that related to ejumacation?)
jcolwell wrote: IOW, if you can tolerate a failure, then you don\'t need a backup. If you can\'t tolerate a failure, then you need a backup. If you can\'t tolerate the concept that expensive devices can fail, then you\'re in a different situation - out of luck.
Succinct and pithy. +1
Oct 27, 2012 at 06:05 PM
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