To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Droplet sliding on the surface with wettability arrays under NIR irradiation. Bioinspired programmable wettability arrays for droplets manipulation Lingyu Sun, Feika Bian, Yu Wang, Yuetong Wang, Xiaoxuan Zhang, and Yuanjin Zhao PNAS. 2020. 117:4527-4532 DOI: 10.1073/pnas.1921281117 Download Original Video Browse All Videos »