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Originally Posted by Kevin Watson
It's not a magnetorheological fluid, but a mixture of cornstarch and water in the proper ratio has the neat property that it will flow like a fluid if poured from a container, but act like a solid if impacted or moved quickly. This is an example of a class of materials called non-Newtonian fluids. Here's a google link where more information can be found.
-Kevin |
Is the link not working? It should take you to a page titled "Dr. Dave's Do-It-Yourself Magnetorheological Fluid". It uses iron filings, low viscosity oil, and lithium grease.
I haven't tried the recipe (that time thing), but the page says it will work for demo purposes.
Greg