Sand is a fascinating material. It can flow and be poured like a liquid, but retains many of the properties of solids, clogging pipes or forming sand dunes. The behavior of collections of small ...

Most children love playing in sand, but as a kid Sudham Pradhan loved to play with sand. He made heads turn when he turned the riverbed sand into shivlingas. Years have gone by in the sands of time, ...

Magic sand is water-repellent sand available in blue, green and red colours. When this sand in powder form is sprinkled on water, it sinks and forms a solid substance. Magic sand is water-repellent ...