Scattering by complex fluids under shear

Scattering techniques are advancing knowledge of structural changes and phase behaviour in flowing systems; this information increases our understanding of rheological behaviour. Studies of sheared fluids at surfaces and experiments with synchrotron X-ray scattering on thin films are showing potential in the investigation of novel flow geometries. Experiments can now quantitatively test theoretical models and have, for example, highlighted the importance of hydrodynamic interparticle forces.