Half a croissant, on a plate, with a sign in front of it saying '50c'
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Ferrofluidic Silly Putty

Iron oxide + surfactant + silly putty goo
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Silly putty is cool. Ferrofluids are cooler. There must be a market.
RayfordSteele, Mar 06 2012

Sillier putty. http://www.youtube....watch?v=ZXJuJQVrgbI
[2 fries shy of a happy meal, Mar 06 2012]

[link]






       This exists. I'll look around. <little later>   

       Ok [link]. I had a similar idea of combining ferrofluid within a thixotropic so that micro vibrations would allow it to pull itself up electromagnetically by its own bootstraps and then harden into any shape. Amorphous robots.   

       I have a tub of this stuff.
MaxwellBuchanan, Mar 06 2012
  

       I'll never be able to look at taking a bath the same way ever again...   

       Ooooh... ahh..... must order... [marked-for-deletion] exists. Love how it swallows the rare-earth magnet in time-lapse like the Swamp Thing.
RayfordSteele, Mar 07 2012
  

       To be honest, it's less exciting in realtime than you might be expecting.
MaxwellBuchanan, Mar 08 2012
  

       It only serves a useful purpose if you happen to have a large number of Nuclear-Powered Robotic Space Rhinoceroses and nowhere for them to walk.
Alterother, Mar 08 2012
  

       I'm fresh out.
RayfordSteele, Mar 10 2012
  
      
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