Tensor related articles on PlanetPhysics. We have a way to go. Basic definition of a tensor.

Tensor example - transformation between cartesian coordinates and polar coordinates

Tensor example - transformation between cartesian basis vectors and polar basis vectors

Definition of a metric tensor

A larger article in the works for basic tensor theory

One of our favorite uses is the Inertia Tensor and of course this leads to other things like

moment of inertia

rotational inertia of a solid sphere

Rotational Inertia of a Solid Cylinder