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| Via assembling the all-flexible multilayers of hydrophobic-coating/transparent-heater/hydrogel/PET, the window with lotus-analogous surface can be in-situ switched between a clear-status and an opaque status according to the user’s request, thereby achieving thermal regulation in 2D/3D scenarios. Credit: Chao Chen, Sijia Guo, Long Zhang, Bingrui Liu, Zhaoxin Lao, Shuyi Li, Yanlei Hu, and Dong Wu. |
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