I think the difference between self-driving cars and Apollo program/subs examples is that the cars can be tested much more thoroughly. No matter how good your s

I think the difference between self-driving cars and Apollo program/subs examples is that the cars can be tested much more thoroughly. No matter how good your simulators are for space conditions, you're never going to really know how it's going to work in actual conditions. Self-driving cars can and are logging millions of miles in a variety of conditions, and every common and almost every remote case will be dealt with before launched to the general public.