Half a croissant, on a plate, with a sign in front of it saying '50c'
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Lava-Lamp Handrails

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Another good reason to use the stairs.
xenzag, Sep 30 2010

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       mmmmm sliding down the bannisters with a warm behind, nice.
po, Sep 30 2010
  

       A double skinned, reinforced tube will take care of insulation, and provide the necessary strength to support po's descending bum. (would you like ridges?)
xenzag, Sep 30 2010
  

       No need for pumps. Simple continuous heat convection will cause the melted wax to ascend to the highest point and tumble down past the rising blobs, same as it does in the classic Lava-lamp.
xenzag, Sep 30 2010
  

       ridges might provide an interesting diversion. I quite like variation in my bannister sliding.
po, Oct 01 2010
  

       bun for warming [po]'s behind
Voice, Oct 01 2010
  

       does my bun look big in this?
po, Oct 01 2010
  

       Some stairs have dual rails, one for the tall and one for the short. In such a system, the upper rail could be heated, facilitating the ascent of lava. The lower would not, and cooling lava and fluid would return down the stairs.
bungston, Oct 01 2010
  

       Some stairs have dual rails, one for the tall and one for the short. In such a system, the upper rail could be heated, facilitating the ascent of lava. The lower would not, and cooling lava and fluid would return down the stairs.   

       / an interesting diversion // - heh!
bungston, Oct 01 2010
  
      
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