h2g2 - Stirring Powders into Liquids - Edited Entry
Jun 29, 2000·For instance, take cocoa powder. Drop a load of cocoa powder into a cupful of milk 1 and stir. What happens? You end up with a floating mass of infuriatingly dry powder, and no matter how much you bash away at it with a spoon, it steadfastly refuses to get wet. The answer lies in the structure of the powder.