A: Pesto, salad dressing and other sauces such as hollandaise or mayonnaise are emulsions. That means that they're suspensions of one thing (for example, oil) in another (vinegar). If you've tried to ...

Emulsions are not something people outside of certain industries give much thought to, yet they are encountered on a near-daily basis. If you look in your kitchen, you would probably find a host of ...