Let’s say you spill some tomato soup on your counter. It dries. You go to wipe it away after it dries, and the center wipes away easily, but the edges stick and need additional scrubbing to get out. I’ve seen it with other hardened liquids, too.
Why?
In: 993
Droplets and spills are often kinda dome shaped so the edges are actually thinner than the middle part so they dry up faster and stick more to the surface while the middle stays wet longer.
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