I used to be moderately afraid of flying. Just didn't trust the machine. Then I saw an episode of PBS's Nova where they filmed a bend test of the 777 wing, to

I used to be moderately afraid of flying. Just didn't trust the machine. Then I saw an episode of PBS's Nova where they filmed a bend test of the 777 wing, to destruction. The deflection they achieved before the wing snapped was jaw-dropping. I'm no longer afraid of the wings falling off, these are amazing machines. I might change my mind if I saw the software. :-)