No doubt you've read about 3-D printing, the process of making three-dimensional solid objects of vitually any shape from a digital model.
Check this:
http://www.wired.com/autopia/2013/02/3d-printed-car/
Not sure how soon any of us may be driving "printed" cars, but it's interesting.
And the potential may not be limited to car-sized products.
In this 12-minute video, a USC engineering professor explains with graphic animation how we could 3-D "print" entire houses and small buildings:
http://www.youtube.com/watch?v=JdbJP...layer_embedded
I believe these developments have the potential to revolutionize manufacturing and construction.