4 ms·Priorities might change when you need all that oxygen simply to survive.by kijin 5y agoPriorities might change when you need all that oxygen simply to survive.f6v 5y agoI’d imagine there’s going to be easier way to get oxygen. Like genetically engineered bacteria/algae.tim333 5y agoYeah, not much green space on nuclear subs which also have the oxygen issue.