U.S. Army Contemplates 3D-Printed Warheads

Grenade Explosion U.S. Marine Corps, via Wikimedia Commons Additive manufacturing, more commonly known as 3-D printing, is inherently creative. Materials are layered together and built up, constructing an object from powder and heat and code. In the future, the U.S. Army wants to turn this innovation to far more destructive ends, by printing new warheads. The latest issue of Army Technology focuses on 3-D printing. Designing new shapes for warheads is one promising new avenue of research. In "AR...