3-D printer

3D printing is a category of rapid technology. A three dimensional object is created by layering and connecting successive cross sections of material. 3D printers are generally faster, more affordable and easier to use than other additive fabrication technologies.

I think that it would be a good printer.

Flying cars

A flying car or roadable aircraft is an automobile that cxan legally travel roads and can take of, fly or land like an aircraft, In practice the vehicle usually has to be converted from a standard fixed-wing aircraft to one with sufficient roadworthiness.A slightly different concept that is sometimes referred to as a flying car, particularly in science fiction, is that of an aircraft that would be practical enough for every day travel, but would not necessarily be drivable on the roads.