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User-interactive electronic skin can map the sense of touch through electronic readouts to provide visual output as a readable response. However, the high power consumption, complex structure and high cost of electronic skin is challenging for frugal practical applications. In a new report on Science Advances, Xuan Zhao, Zheng Zhang and colleagues in advanced metals, materials and engineering in China, reported a self-powered, user-interactive electronic skin named SUE-skin as a simple and cost-effective structure based on a triboelectric-optical model.
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