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. 2022 Jan 24;9(8):2104347. doi: 10.1002/advs.202104347

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© 2022 The Authors. Advanced Science published by Wiley‐VCH GmbH

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Examples of soft robots with the capability of color display and camouflage: a) a soft robotic fish actuated by cardiomyocyte beating with the tail showing variable structural color during one myocardial cycle. Reproduced with permission.^[ ²⁹⁹ ^] Copyright 2019, American Chemical Society. b) a biomimetic chameleon soft robot that can detect and match the local background color in real‐time. Reproduced with permission.^[ ³²³ ^] Copyright 2021, Springer Nature. c) a transparent hydrogel robotic fish to camouflage when moving over rainbow‐colored background. Reproduced with permission.^[ ¹²⁸ ^] Copyright 2017, Springer Nature. d) a soft transparent DEA robot camouflaging under the application of voltage. Reproduced with permission.^[ ³²⁴ ^] Copyright 2019, Wiley‐VCH.