At age 70 my thoughts turn back to youthful longings of space flight, exploration, and the possibilities of our human future. If we succeed staving off the many threats that seem to encompass our species on planet earth, we will have to look to space for economics, resources, and sites of habitation beyond our cradle. Beyond the few meagre plans of various nations to colonize the Moon and Mars there hasn't been much else. That way lies in science fiction and the dreams of young and old men-women alike. Dream it on...