Tag - Sand Hourglass Flow

Physicists Explain Sudden Stop in Sand Hourglass Flow

Credit: PixabayOlder mathematical theories may finally clarify the behavior of granular materials, which can act as solids or flow like liquids unpredictably.Consider the sand in an hourglass versus the sand on a beach. When poured slowly through a narrow opening, materials like sand, rice, or coffee flow easily. However, pouring or compressing these materials...