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kopend | 09:20 Mon 26th Feb 2007 | Science
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is glass liquid, and is it true that in very old buildings if you took the original windows out they would be thicker at the bottom than the top
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I have heard that glass drips and that your TV screen will drip once every thousand years or so. Whether it's true or not, I think my TV will be recycled long before then, as it's not digital compatible and will be redundant soon. Ithink it takes thousands of years to drip rather than a few hundred, but no doubt someone will correct me.
It's an old wives' tale. In days of yore, making glass of uniform thickness was difficult, so most panes were thicker along one side when they were put in. For stability, glaziers normally put the thickest edge at the bottom of the window.
for an overly complicated answer to your question (including reasons why glass appears liquid like sometimes) read this page

http://math.ucr.edu/home/baez/physics/General/ Glass/glass.html
glass isn't a liquid.
The thing that distinguishes whether things should be gases, solids or liquids just depends on the objects melting/boiling point.
And because glass has a high melting/boiling point it is classes as a solid.
sorry if i got all scientific and confusing =)

Leannexxx

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