Sand and other granular materials can be strikingly fluid-like. Here the impact of a solid sphere on sand generates a splash remarkably similar to what’s seen with water. When the Keep reading
Tag: cavity seal
Water Music of Vanuatu
In the Pacific Island nation of Vanuatu, women have a tradition of water music, accompanying their singing with a percussive use of water. This video explores the physics behind this Keep reading
Squishy Impacts
How spheres impact water has been studied for more than a century. The typical impact for a rigid sphere creates a cavity like the one on the upper left – Keep reading
Crown Splash Sealing
A sphere falling into water generates a spectacular crown splash at the surface. The object’s impact ejects a thin sheet of fluid that rises vertically. The air pulled down into Keep reading