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colloids vs. non Newtonian fluids

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By jfrachioni

· 9,330 views

there has been a large amount of misconception around this topic, a major contributor being the fact that people mix cornstarch and water and call it a non-newtonian fluid, when in fact it is only a colloid. colloids are not fluids, as they are heterogeneous, consisting of liquid and fine particle mix. they have changing viscosity because the particles cant flow away as fast as the liquid, and are bunched together as a pseudo solid. this is different from a non newtonian fluid because the fluid changes viscosity because it is in a near-crystalline state, and acts like a crystalline solid as pressure is applied. some examples of this are jolly ranchers(corn starch), some types of bullet proof glass, and shampoo

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    bdavis

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    I never thought of this and this opens my eyes to realizing the differing liquids that exist and the properties they may have that characterizes them differently. i commend you sir.

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    R_EIKE

    Members

    So the Ooz that we create in 6th grade is the same materials used to create bullet proof glass?

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