The researchers print these substances using a 3-D printer and then watch as the fourth dimension—time—takes over and the materials change shape or automatically reassemble in new patterns.
Sounds like the Replicators from the sci-fi series Stargate SG-1.
3 posted on 11/05/2013 3:47:28 AM PST by Flick Lives
(The U.S. is dead to me.)