Moist Sand, Mighty Structures: The Physics of Sandcastles

Why does dry sand crumble while a splash of water lets it stand tall? We dive into the granular physics behind sandcastles, exploring capillary bridges, surface tension, and the surprising power of tiny water fractions. Learn about the pendular and funicular regimes, why about 1% water is often optimal, and how compaction strengthens the structure. We’ll connect these beachside insights to civil engineering, geophysics, and the everyday engineering of stability in sands, landslides, and earthquakes.

Note:  This podcast was AI-generated, and sometimes AI can make mistakes.  Please double-check any critical information.

Sponsored by Embersilk LLC