ABSTRACT The granular sea ice model (GRAN) from Tremblay and Mysak is converted from Cartesian to spherical coordinates. In this conversion, the metric terms in the divergence of the deviatoric stress ...

Why are all planets in space spherical or elliptical and not rectangular or any other shape? As every planet has its own gravitational force, all particles are forced ...

Opting to build the Death Star in the shape of a sphere may not have been classic Star Wars villain Darth Vader’s wisest move, according to math teacher Ben Orlin. He investigates this burning ...