To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. The drying cycle of the wetting and drying experiment. Biologically inspired flexible photonic films for efficient passive radiative cooling Haiwen Zhang, Kally C. S. Ly, Xianghui Liu, Zhihan Chen, Max Yan, Zilong Wu, Xin Wang, Yuebing Zheng, Han Zhou, and Tongxiang Fan PNAS. 2020. 117:14657-14666 DOI: 10.1073/pnas.2001802117 Download Original Video Browse All Videos »