> A lot can be done in a billion+ years. Indeed, to the point that talking about it in terms of what "we" could do about it in ordinary engineering terms becom

> A lot can be done in a billion+ years. Indeed, to the point that talking about it in terms of what "we" could do about it in ordinary engineering terms becomes pointless. A billion years ago, the first multicellular plants were beginning to move onto land; animals were still water-bound single cells who would have to wait another couple hundred million years to discover sex. Whatever life still exists on Earth a billion years from now will presumably be as far removed from us as we are from those ancient ancestors. https://en.wikipedia.org/wiki/Timeline_of_the_evolutionary_history_of_life https://en.wikipedia.org/wiki/Timeline_of_the_evolutionary_h...