Consistent Mixing and Dispersing: The Theory and Technology of Incorporating Powders into Liquids,” a two-day seminar, will be held Aug. 10-11 in Chicago. It will provide the basics of mixing and how to achieve batch-to-batch uniformity and the physical and chemical parameters involved in the mixing and dispersing processes. Formulation issues will also be discussed. For more info: (614) 863-5940.