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Tech > Thursday, December-28-2006

Non-Newtonian fluid under vibration



Here's another cornstarch and water solution, which becomes a non-newtonian fluid. A Non-Newtonian fluid, has properties that cannot be described by classical fluids. In this video clip, the non-newtonian fluid is a mixture of corn starch and water.
When stress is applied to the non-newtonian liquid it exhibits properties of a solid. Very interesting is the reaction when it is disturbed at certain frequencies. Using a frequency generator and a subwoofer, the tub of fluid was placed on top of the subwoofer's hole, which is emitting sound at 50 hz. Very cool!

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