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Akin's Laws of Spacecraft Design

31. (Mo's Law of Evolutionary Development) You can't get to the moon by climbing successively taller trees.

32. (Atkin's Law of Demonstrations) When the hardware is working perfectly, the really important visitors don't show up.

33. Space is a completely unforgiving environment. If you screw up the engineering, somebody dies (and there's no partial credit because most of the analysis was right...)
Akin's Laws of Spacecraft Design