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General Science / Re: Why is glass said to be a liquid?
« on: 21/01/2007 10:52:10 »
It is indeed true, but it has such a high viscosity that it's properties are very much like that of a solid. For example, If you study a piece of glass from an old window, it will be thicker at the bottom than at the top since it has kinda re-moulded itself over time.