This question is often best answered by example. Imagine a styrofoam cup with a hole in the bottom. If I then pour honey into the cup I will find that the cup drains very slowly. That is because honey ...

For example, in spite of intense research in the field of relativistic hydrodynamics, a relativistic theory of the viscosity of fluids that is also able to recover the limit of classical gases has ...

THE thickness of a lava flow depends, in general, on three factors: the viscosity of the flowing ... and even more seldom used as a tool (for example, in the interpretation of old volcanoes ...