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Old 19th May 2010, 22:53
  #2932 (permalink)  
ChristiaanJ
 
Join Date: Jan 2005
Location: France
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Originally Posted by sky9
Glass is made by heating silicon dioxide, otherwise know as sand.
Not quite.....
Glass is made by mixing silicon dioxide (sand) with various other chemical substances and heating it.
The result is a somewhat odd material, neither liquid nor entirely a solid, but with a melting pointing considerably below pure silicon dioxyde.
Hence the problem...

CJ
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