Sand: Wie lange bleibt eine Sandburg stabil? welt.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from welt.de Daily Mail and Mail on Sunday newspapers.
Tokyo, Japan - Researchers from Tokyo Metropolitan University have studied the properties of mixtures of silicone-coated magic sand , a popular kid s toy, and normal sand. Silicone-coated sand particles were found to interact with each other only, and not with other sand particles. The team discovered that adding silicone-coated sand beyond a certain threshold leads to an abrupt change in clustering and rigidity, a simple, useful way to potentially tune the flow of granular materials for industry.