From: mikkelhaaheim@gmail.com   
      
   Le samedi 18 juin 2016 08:44:40 UTC+2, nu...@bid.nes a écrit :   
      
   >    
   >   Also, it depends on what you want it to do after a very long time. AFAIK   
   we're pretty sure glass isn't a liquid   
      
   This has been debated over a very long time. At best, it is an amorphic solid.   
   However, solids are typically defined by their molecules being locked into   
   place. Unlike other amorphic solids, the molecular bonds of glass will break   
   and reform. For this    
   reason, at least the vast majority of glazers define glass as a (highly   
   viscuous) liquid, because over a span of decades, the glass will measurably   
   flow (either in the direction of gravity, or toward its own center of   
   gravity). As I understand it, there    
   is a growing trend to treat glass as a independent "fifth" phase of matter. I   
   am unaware of any chemists who actually work with glass who consider glass a   
   soild.   
      
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