The image designed by SPHERE was selected as the concept map of the home page of www.science.org.
As shown in the picture below, the skin surface is tightly covered with a film structure composed of two-dimensional nano flakes (with dark blue metallic luster) at micro-scale. These flakes attract each other through bond-free van der Waals interfaces to enable mechanical stretchability and malleability as well as permeability and breathability.
Furthermore, a dynamic illustration of the VDWTFs and CVDTFs under mechanical stretching gives a microscopic interpretation.
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