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Dynamic materials inspired by cephalopods

The related concepts of disguising an object or physically changing it to resemble something entirely different have long captivated the human imagination. Although such notions are seemingly derived from fables and science fiction, cephalopods have perfected analogous capabilities over millions of years of natural evolution. Consequently, these invertebrates have emerged as exciting sources of inspiration for futuristic adaptive camouflage and shapeshifter-like technologies. Herein, we provide an overview of selected literature examples that have used cephalopods as models for the development of novel adaptive materials, devices, and systems. We in turn highlight some significant remaining challenges and potential future directions for such studies. Through this perspective, we hope to stimulate additional dialogue and continued scientific exploration within the area of cephalopod-inspired dynamic materials.