Half a croissant, on a plate, with a sign in front of it saying '50c'
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Foam squirter

Prevents injuries
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This device would be installed in walls all over one's house. Sensors would detect anything the approximate size and density of a person falling.* When detected a very quickly stiffening foam would be sprayed under the lowest points of the falling person until they come to a stop. The foam would dissolve into a mess after a few seconds and be nontoxic.

*Sensors include weight sensors under the floor, ultrasonic sonar@, and/ or IR.

@I know this would mess with pets.
Voice, Apr 16 2011

Prior art http://www.google.c...&ved=1t:429,r:3,s:0
[normzone, Apr 16 2011]

Securefoam http://www.youtube....watch?v=RnyhkBU1yaw
As imagined in demolition man [idris83, Apr 19 2011]

[link]






       you mean pets would mess with it.   

       would it also drown mice? <fingers crossed>
po, Apr 16 2011
  

       [+] for drunken partygoers amusing themselves until all the foam tanks are empty.
pocmloc, Apr 16 2011
  

       How robust is this? Is there any risk that I might damage my foam squirter in a fall?
spidermother, Apr 17 2011
  

       What happens if a second person falls a few seconds later, while the foam is dissolving?
Alterother, Apr 17 2011
  

       one falling person, Mr. Worthing, may be regarded as a misfortune. two falling people looks like carelessness (or alcohol is involved)
po, Apr 17 2011
  

       This magic nontoxic foam would be made out of...?
RayfordSteele, Apr 17 2011
  

       How about squirty cream?
MaxwellBuchanan, Apr 18 2011
  

       Cup your hands over your nose and mouth as you fall. There has to be a sign for that!
4whom, Apr 18 2011
  

       ... as well as Demolition Man there's also a scene in the Final Fantasy film where they jump out of a plane and fire green goo cannons to the ground which explode into a big blob which they safely fall into and walk out of without needing parachutes. But I can't find a clip of it.
idris83, Apr 19 2011
  
      
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