Sorry if I got the flair wrong, I actually don’t even know what kind of science is at play here!
In: Chemistry
Think absorption like transfering matter from one body to another. How much rubbing works depends on how much the “receving” material can absorb (in this case) water. This property is called [hydrophilia](https://en.wikipedia.org/wiki/Hydrophile).
More “porous” objects (like sponges) absorb more water than more “compact” things (like steel), since there’s more “space” for the water to come through. In addition, the material is also relevant, because some materials interact with water molecules more easily than others.
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