The properties of wall plasters, scratch plasters, and other building materials are strongly influenced by the size and shape ...

The Science A newly developed process transforms large, irregular chunks of metal elements into uniform spherical particles that act like tiny ball bearings rolling past one another. This allows ...

What is the Stokes-Einstein Equation? The Stokes-Einstein equation is a fundamental relation in physics that describes the diffusion of spherical particles through a fluid with low Reynolds number. It ...

We tend to understand this using a simplified model in which we imagine matter is made of spherical particles. In this model, solids have particles fixed tightly together in rows so they can’t move.