Half a croissant, on a plate, with a sign in front of it saying '50c'
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Upside-Down Fountain

Like a fountain, but upside down.
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Water pours out of a spout in the ceiling, falling down until it hits a jet of air coming out of the floor, where it splatters outwards a few feet from the ground. A ring of more powerful air jets surrounds this, which bend the path of the droplets and send them back up to the ceiling. At the top, a corresponding ring of vacuum nozzles collects the droplets and feeds them back to the main reservoir.

Coming soon, in the same series:

- Sideways Fountain, which uses far heavier use of air jets to suggest that everything else is the sideways party;

- Gallium Fountain, which freezes solid on cloudy days;

- Slow-Motion fountain, which spews lightweight oil within a room filled with Sulphur Hexafluoride;

- Stopped Fountain, made of solid glass;

- Fast-Motion Fountain, which runs in a centrifuge;

- Fast-Forward Fountain, which skips straight to the final stage in the life-cycle of all fountains -- a crumbling lump of concrete with no water.

mitxela, Oct 19 2017

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       With enough air jets and processing power one might be able to organise a rotating fountain to combine all these ideas.
pocmloc, Oct 19 2017
  

       Yes, but that is baked.   

       Well, maybe soggy is a better word.
normzone, Oct 19 2017
  

       Cast your bread upon the waters, and it will get soggy.
mitxela, Oct 19 2017
  

       - Suspended fountain, powerful sheets of jetted air keep a volume of water perpetually spinning and travelling through mid-air as though spilling down an invisible water-slide.   

       Just spurt the water downwards into a denser fluid, such as mercury.
Wrongfellow, Oct 22 2017
  

       Can air be laminar flowed like water or light? I imagine that it doesn't have the stickiness over short distances so a ring of jets would have some complex air patterns.
wjt, Oct 23 2017
  

       Marcel duchamp’s new fountain can now be a shower instead of a urinal
DDRopDeadly, Nov 23 2017
  

       There's a fountain in the Miro museum in Barcelona in which liquid falls across several metal plates, splashing and trickling from one to another. It's only after a second or two of watching it that you realise the liquid is mercury - very weird.
hippo, Nov 23 2017
  
      
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