If slippery slopes are paved with good intentions, we now have the Transportation Department to thank for giving travel agents something new to slide around on. Let's say you're a travel agent and you ...

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 ...

Growing up in a household where there was plenty of exposure to home construction cultivated a fascination with dirt and sand piles, necessary components of many varied projects in which a parent was ...

The prediction of the angle of repose for raised mounds of dry cohesive granular material is a long-standing problem in the natural sciences and in industry. Using numerical (particle-based) ...

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 ...