This is:

Since I was a child, I was embarrassed by this phrase from fairy tales about milk rivers and jelly shores. What kind of beach will you drown on? These two fluids should be mixed immediately. Only recently realized that jelly as a solution of starch is a non-Newton liquid! That is, standing on such a shore, of course, can not, but to run quickly - very even possible. It remains only to calculate with what speed the milk must move in the river so that the banks and for it remain solid.

This is the same thing....

The fact is that the traditional jelly, which was cooked in the villages, is by no means a liquid drink, but something that resembles consistency - jelly, made from oatmeal. It is not sweet at all.