From: damarkley@gmail.com   
      
   On Wednesday, June 24, 2020 at 2:59:23 PM UTC-4, JF Mezei wrote:   
   > On 2020-06-24 11:56, Dean Markley wrote:   
   >   
   > > I think the humid air is the cause of the white cloud.  Condensed water   
   vapor is quite visible.  Nitrogen is not.   
   >   
   >   
   > Thanks.  But as the tank ruptures, shoudln't we be seeing some liquid   
   > spew out? Or does it truly evaporate instantly ?   
      
   I would guess that depends on how full the tank is and where the rupture is.    
   But then again, liquid nitrogen is a clear liquid and almost as difficult to   
   see as the gas until it condenses moisture.   
      
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