4 ms·
> if one fails, he will have no idea which one is correct Depends how it fails! For example, say, when you change direction one turns and the other doesn't.
by jefftk 3y ago
> if one fails, he will have no idea which one is correct
Depends how it fails! For example, say, when you change direction one turns and the other doesn't.
- cutemonster 3y agoCouldn't he bring his own 3rd? Compasses aren't heavy?
- jwr 3y ago…or a 4th and a 5th, and have voting rounds — an idea explored by Stanisław Lem in "Golem XIV", where a parliament of machines voted :-)