...ask the military and aerospace boys about "tin whiskers" as we've been aware and fighting this issue since the 1980's. It's not a good thing to have a multi-billion dollar satellite sudden "die" in space because a 'whisker' has grown long enough to contact something it shouldn't; nor to have your air-to-missle go "ballistic" instead of chasing the enemy during an aerial dogfight.
...ironically, the medical business (pacemakers, defibrillators, etc.) hasn't had 'whisker' problems (yet).
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