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Thread: Thermodynamics of the thermos

  1. #1 Thermodynamics of the thermos 
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    Hello...
    I'm new to this forum, and here because I am looking for a present for my girlfriend. She is a chemical engineering student, and very much enjoys thermodynamics. Her last thermos just broke, and I want to buy her a new one. I am hoping for something thermodynamically nerdy... with equations for convection or conduction, maybe a self referential thermos that explains how it works. I have not found anything yet, so the next step is the science community. Have any of you encountered such a product? I know she will squeal in nerdish glee if that's what her present is.

    Thank you so much

    Ebinesos


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  3. #2 Re: Thermodynamics of the thermos 
    . DrRocket's Avatar
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    Quote Originally Posted by Ebinesos
    Hello...
    I'm new to this forum, and here because I am looking for a present for my girlfriend. She is a chemical engineering student, and very much enjoys thermodynamics. Her last thermos just broke, and I want to buy her a new one. I am hoping for something thermodynamically nerdy... with equations for convection or conduction, maybe a self referential thermos that explains how it works. I have not found anything yet, so the next step is the science community. Have any of you encountered such a product? I know she will squeal in nerdish glee if that's what her present is.

    Thank you so much

    Ebinesos
    Most thermos bottles, good ones, are used in decidedly non-nerdy applications. I suggest that you just get her a good rugged thermos -- that means one made of stainless steel without a glass liner that can break. These are used by construction workers, hunters and others not likely to break out in song at the sight of an equation of state.

    Get her a good thermos. If you want her to squeal, pinch her. Then duck.

    http://www.cabelas.com/cabelas/en/te...set=ISO-8859-1


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  4. #3  
    Forum Ph.D. Leszek Luchowski's Avatar
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    For something scientifically nerdy, you may look for a Klein bottle. I'm not sure though if they have much to do with thermodynamics. Or if they come in "thermos" (heat-insulating) varieties.

    If you two are setting up a home together, a Sierpinski hearthrug is guaranteed to thrill her. Make sure it's not infested with Mandelbrot beetles though.

    All the best,
    Leszek.
    Leszek. Pronounced [LEH-sheck]. The wondering Slav.
    History teaches us that we don't learn from history.
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  5. #4  
    Time Lord
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    I can't count how many suspicious sideways glances I've cast at my vacuum flask. Has the vacuum held or is it full of grubby air now, I wonder. So perhaps a Thermos with inner wall of glass and some form of integrity indicator would appeal to this girlfriend. Ebinesos could present it with romantic symbolism too, like how it never lies and so forth.

    Anybody heard of such a thing?
    A pong by any other name is still a pong. -williampinn
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  6. #5  
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    http://www.customthermos.com/display...sp?Key=thermos
    Probably a bit costly, but at least you've got 25 of them and you can have whatever you want printed on them.

    There might be cheaper companies that print pictures on a thermos, but I'll leave the googling to you :wink:
    It's probably cheaper to buy a quality sticker and put it on the thermos yourself.
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