Growth under pressure: New metamaterial designed with counterintuitive property
(PHYSorg.com Physics)

In the not-too-distant future, it may be possible to 3-D print virtually anything. Consider standard printers, which `synthesize` thousands of colors by using only three color cartridges. By analogy, future 3-D printers may be capable of synthesizing thousands of different material properties with a mere handful of material cartridges.