Have you ever wondered how it is that corn from the field turns into the crunchy flakes you spoon up with your milk each morning? Or why it is that Shredded Wheat can have only one ingredient, whole grain wheat, and yet look nothing like it? The answer, in both cases, is 20th century industrialization.
One of the pivotal innovations in the way we prepare and package ready-to-eat foods came with the invention of the puffing cannon, a machine for heating up and pressurizing starchy foods to the point where they would explode into substantially larger, puffier shapes. It was, in effect, applying the familiar popcorn-making technique to the full range of other starches: rice, wheat, corn, lentils, and the like. The puffing gun was later...
via The Verge - All Posts http://www.theverge.com/2013/8/14/4620216/breakfast-cereal-puffing-gun
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