Quite true. One standard solution is TMR: http://en.wikipedia.org/wiki/Triple_modular_redundancy http://en.wikipedia.org/wiki/Triple_modular_redundancy I dou

Quite true. One standard solution is TMR: http://en.wikipedia.org/wiki/Triple_modular_redundancy http://en.wikipedia.org/wiki/Triple_modular_redundancy I doubt that Voyager used TMR, they probably used the best rad-hardened hardware they could build at the time (within power and weight constraints).