What experience proves that amorphous bodies do not possess the property of anisotropy?

Let’s carry out such an experiment. Let’s take two thin plaster and glass plastics covered with a layer of paraffin. 1 ips – crystalline body, glass – amorphous. Heat the horses of a metal needle red-hot on the flame of an alcohol lamp. Let’s quickly touch them to the surface of the plaster. The paraffin wax will start to melt. A spot in the form of an oval is formed on a gypsum plate Let us repeat a similar experiment with glass. A round spot forms on the glass surface. This is explained by the fact that the thermal conductivity of gypsum, in contrast to glass, is not the same in different directions.

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