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A bio‐inspired dynamic surface that integrates an artificial muscle and a responsive wet skin is introduced by Yuhang Hu and co‐workers in article number 1802632. The surface can precisely control droplet dynamics. Accessible dynamic states range from free sliding, completely pinning, and repetitive stick‐slip switch, to extremely fast sliding, droplet oscillation, jetting, and mixing.
Traditional dynamic adaptive materials rely on an atomic/molecular mechanism of phase transition to induce macroscopic switch of properties, but only a small number of these materials and a limited responsive repertoire are available. Here, liquid as the adaptive component is utilized to realize responsive functions. Paired with a porous matrix that can be put in motion by an actuated dielectric elastomer...
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