Another project, maybe discontinued now, but woth looking at, an artificial sun, to provide more day light to grow crops. But someday most of this technology will come from other countrys, While we are cutting funds for education, some countrys are not. Heck if we can afford wars to make thye world love us, we can burn billions on space.20 yrs ago. how many of us had or knew how to use a cell phone? 30 yrs ago how many home computers were there.