Cellophane is so thin and flimsy. What makes the wrapper on my Ritz crackers crackle and crinkle like a firework?
In: Physics
It is made of a more rigid material than other bags, think of it being closer to aluminum foil or a large baking sheet that is a bit wobbly or warped, once it has a deformity or crease it will continue up to a point of stability making sharp noises. That stiffness helps transfer energy around large areas to specific points of tension and weakness.
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