Or we will have unleashed highly lethal, self-replicating nanobots in the prosecution of a devastating global war, and the human race will be crawling along wit

Or we will have unleashed highly lethal, self-replicating nanobots in the prosecution of a devastating global war, and the human race will be crawling along with a population at extinction levels. (Or maybe just a good old fashioned series of nuclear exchanges?) The future can be more brilliant than we could imagine, or darker than our worst fears can conjure. Likely, it will be somewhere in the middle.