It was a beautiful bluebird powder day off the backside of Snowbowl, Montana. A storm had deposited 10 inches of low-density snow and I was excited to drop into the run. As I approached the ridge, I ...

An audit will tell you how much stuff came down and how fast, but only a real understanding of the whole environment will reveal at what point it all stabilizes and comes to rest, how high the piles ...

Fine powders and granular materials are extensively used in industrial applications. To manage and to enhance processing techniques, these materials have to be exactly characterized. The ...

A heap is created when a powder is poured onto a surface. It is widely known that both the heap shape and the repose angle strongly rely on grain properties. Specifically, a non-cohesive powder forms ...