Movie S1.

Water droplet attracted to the bump by capillary driving force.

Multibioinspired slippery surfaces with wettable bump arrays for droplets pumping

Xiaoxuan Zhang, Lingyu Sun, Yu Wang, Feika Bian, Yuetong Wang, and Yuanjin Zhao

PNAS. 2019. 116:20863-20868 DOI: 10.1073/pnas.1912467116