It seems that the list of things that can be 3D printed just keeps growing, and the things on that list just keep getting stranger. Researchers from the University of Massachusetts in Lowell have developed a new programmable 3D printing material that can be used to manufacture several vital comp...
Via Ensil
The material can be programmed to both detect and absorb specific radar signals and frequencies on the printed surface.
http://www.ensil.com/military-electronics-repair