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Imagine an automobile coating that changes its structure to adapt to a humid environment or a salt-covered road, better protecting the car from corrosion. Or consider a soldier’s uniform that could alter its camouflage or more effectively protect against poison gas or shrapnel upon contact. |
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A trio of university researchers from the University of Pittsburgh’s Swanson School of Engineering, Harvard School of Engineering and Applied Sciences, and the University of Illinois is proposing to advance 3D printing one step—or rather, one dimension—further. Thanks to an $855,000 grant from the United States Army Research Office, the team hopes to develop 4D materials, which can exhibit behavior that changes over time. |
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