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Oil and water are mixed all the time - often to make the product you use everyday. "Melandrupert" is basically correct because when they are mixed an emulsion is created. To do this, you need and emulsifer, whose actual chemical name is a surfactant. Surfactants are two-ended molecules that grab onto different chemical substance that normally 'bounce" off of each other. By using the correct surfactant and the right mixing technique you can get the oil and water to mix. You can make an oil in water emulsion - where small oil droplets, coated with surfactant, end up floating around in the water, or a water in oil emulsion, which is just the opposite.
A simple example is soap. It is a surfactant and works because it coats dirts and makes it compatible with water - which then washes it away. Water would bounce off the dirt with out the surfactant - it forms a very quick and simple emulsion, and washes away. And believe me, you probably come in contact with and use emulsions all day long and don't even realize it. MANY daily products and food are based on emulsion and surfactant technology.
A simple example is soap. It is a surfactant and works because it coats dirts and makes it compatible with water - which then washes it away. Water would bounce off the dirt with out the surfactant - it forms a very quick and simple emulsion, and washes away. And believe me, you probably come in contact with and use emulsions all day long and don't even realize it. MANY daily products and food are based on emulsion and surfactant technology.
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