Students at Case Western suggest that a simple, stop-gap way to fill potholes is with a mixture of corn starch and water. This fluid is a putty that will fill the entire pothole and all its crevices, but it becomes stiffer and quite viscous when a strong force is applied to it - like a car tire rolling over it.
It is cheap, simple, and anyone can do it.
http://blogs.discovermagazine.com/80beats/2012/04/12/bright-idea-filling-potholes-with-non-newtonian-fluids/
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