Invading Gas vs. Liquid
As water from the pores gradually dry up, capillary bridges are formed at the interface between particles. Some capillary bridges coalesce to form a larger liquid network, while others are broken to form droplets.
Reporters and Editors
Journalists wishing to reproduce this image for news stories about related research should include this video credit: Bertrand Selva, Remi Dreyfus (COMPASS).