We've all been there before. With a couple of brightly colored buckets and plastic shovels, down on our hands and knees in the gritty wet sand, trying to build a sandcastle before the tide comes in ...

Pick a spot by the shoreline and make a gigantic pile of sand. Use your hands, or grab a spade or shovel to speed it along. 2. Add lots of water. As water drains out of sand, the tiny grains nestle ...

Volcanic ash can damage jet engines, and volcanologists have developed a new empirical model for assessment of the risk. Their results show that tests using sand do not reflect the behavior of ash in ...

Beaches around the world come in many colors, from the familiar golden and white sands to rarer hues like pink, red, and even ...

Volcanic ash can damage jet engines, and Ludwig-Maximilians-Universitaet (LMU) in Munich volcanologists have developed a new empirical model for assessment of the risk. Their results show that tests ...