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Published on Jun 23, 2014
In the lab, the morphable surface developed by the team can have its surface texture changed at will simply by changing the pressure inside, using a pump. When the inside reassure is reduced, the flexible material shrinks, but the outer layer, being stiffer, gets wrinkled as it shrinks, just like a plum drying in the sun to become a prune. Unlike a prune, the material can immediately bounce back to a smooth state when the pressure increases, providing a fully controllable surface texture.