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Amaltz blue. Source: Patrick Doll / Wikimedia Commons.

Print a XNUMXD model inspired by shark scales

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The Parker Hannifin Company has designed an abrasion-resistant hose inspired by snakeskin. Illustration: pixabay.

Strong, flexible and will not wear out

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Scanning electron microscope photograph of guanine plaques from a silver spider. In the upper photo we can see a sandwich-like structure, in which a layer of non-crystalline guanine (marked by an arrow) is between two plates of crystalline guanine. Weizmann Institute photo

The color of the silver

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