Nothing is 100% failsafe. Machines can be designed that will not enter known failure modes, given they are operating in within known conditions. If such a machi

Nothing is 100% failsafe. Machines can be designed that will not enter known failure modes, given they are operating in within known conditions. If such a machine is detected to be able to enter a failure mode in expected coming conditions, it should not be used commercially. Cf. The grounding of all Boeing 787s: https://en.m.wikipedia.org/wiki/Boeing_787_Dreamliner_battery_problems https://en.m.wikipedia.org/wiki/Boeing_787_Dreamliner_batter...