As any child knows, the best way to build a sandcastle is to use wet sand because it sticks together nicely, whereas a castle made from dry sand will collapse under its own weight. Now, however, ...

Capillary bridges make wet sand stick together. Upper row: Theoretical predictions of how capillary bridges (blue) bind glass beads together. Bottom row: Microtomography images of the bridges seen in ...

Introduction Summer is a nice time to take a stroll at the beach and walk barefoot along the shoreline. While doing that, have you ever looked at your footprints in the wet sand? If so, you might have ...