Interfaces: Invisible, Yet All Around Us

Interfaces are all around us. A fluid interface is the boundary between two immiscible fluids, and a great example is oil and water. They do not mix. The formation of these interfaces is crucial for daily life. You cannot always see them, but you can encounter interfaces everywhere. They can be in soap, in ice cream and in your body. In this article, you will learn what an interface is, why you need them in your daily life, and how interfaces can be created. Or to be more specific, how you can create your own interface using special molecules called emulsifiers.