Making Ice By Boiling Water

  • swimbikerun

    Posts: 2835

    Dec 31, 2010 7:56 PM GMT


    Top that Jesus!
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    Dec 31, 2010 8:53 PM GMT
    Why hasn't West-Bend or Hamilton Beach brought out one of these for the home kitchenicon_wink.gif
  • swimbikerun

    Posts: 2835

    Jan 01, 2011 6:17 PM GMT
    It's cool!!!!
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    Jan 01, 2011 6:27 PM GMT
    I looove that...I'm right back in physics class in high school.

    The British accent was a nice added touch... ;-)
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    Jan 01, 2011 6:50 PM GMT
    Fun stuff. Vapor pressure is cool.

    I remember getting in a bit of pinch when, at the urging of a classmate, we made stink bombs in chemistry class. LOL. We might have been o.k. had Mrs. Tyler not promptly carried them into the principal's office. It wasn't pretty. He was PISSED.
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    Jan 02, 2011 8:14 AM GMT
    I saw something like this when I was at nasa!! But then the guy started talking about Pvnrt and all that physics stuff, so I got bored. (I was taking physics at the time, so I tried not to think about school when I was there lol)
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    Jan 02, 2011 8:19 AM GMT
    Very interesting!
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    Jan 02, 2011 8:22 AM GMT
    Wow, pretty awesome!
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    Jan 02, 2011 9:15 PM GMT
    That's actually how we used to "cook down" fresh fruit to make gooey pie- and yogurt- fillings without the "cooked" flavor.
    Well... they still do but I haven't worked there for 30 years.
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    Jan 02, 2011 10:05 PM GMT
    Doesn't work for Helium II, though. Superfluids don't boil and you need to apply pressure for solidification ;).
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    Jan 02, 2011 10:13 PM GMT
    Isn't this the principle used with freeze-dried instant coffee?
  • rafiki87

    Posts: 331

    Jan 02, 2011 10:13 PM GMT
    Lol, clausius-clapeyron equation... applied in real life.
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    Jan 02, 2011 11:46 PM GMT
    Art_Deco saidIsn't this the principle used with freeze-dried instant coffee?


    With lyophilization (freeze drying) you freeze the product first and use vacuum to sublimate off the water. (i.e. you skip the liquid phase entirely). Or were you thinking of coffee decaffeination by supercritical fluid extraction? That uses CO2 as the working fluid.





    and yes... I do have a lyophilizer in my kitchen.