Friday, November 19, 2010

How come when you leave a glass on an unfinished table, it leaves a ring?

We have a really old antique table in my bedroom, and i left a glass on there throughout the day, it had left this really gross looking grey ring. What is happening to the wood when that happens?How come when you leave a glass on an unfinished table, it leaves a ring?
The glass will condensate because of the outside heat with the inside cold liquid and the water forming on the outside of the glass will drip down and all that. Under the glass, the cup is also condesating so the water will mostly soak around the bottom rim of the cup and then it will suction cup on the table and then form a ring. Thats all i got!

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