Half a croissant, on a plate, with a sign in front of it saying '50c'
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Perpetual vacuum cleaner

A vacuum cleaner that runs constantly on its own
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This is a small, self-propelled vacuum cleaner that bounces off anything it bumps into, thus randomly covering all the space in a room. It can be left on to keep the floors clean all the time. For bag changes or battery recharging, it could be equipped with a beeper. Please, somebody make this machine!
Kate, Nov 28 2000

Roomba http://www.roombavac.com/
Baked in September 2002 [krelnik, Oct 04 2004]

Trilobite http://trilobite.electrolux.com/
Baked in May 2003 [krelnik, Oct 04 2004]

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       And please equip it with an automatic clothing, money, magazine, wiring, car key rejector.
centauri, Nov 28 2000
  

       It shouldn't be too hard to make one of these, the only problem I would have with it is the speed/force of the vacuum. I mean, some people have light, top heavy endtables with plants on them, that would be an awful waste to have the plant vacuumed up by the automatic vacuum cleaner. Also, how loud would it be, could I turn it on before I go to bed and not be kept up all night long? Would it wake my sleeping child?   

       Again, I say it shouldn't be too hard, my in-laws have something like this for their pool and I use to have something like this as a toy.
barnzenen, Nov 28 2000
  

       A dustcat, to chase dustmice.   

       It wouldn't have to beep for battery recharging, just follow the walls till it found an empty outlet and plugged itself in.
hello_c, Nov 30 2000
  

       The vacuum exhaust could be directed through a couple small swirling jets to help push dust bunnies out from under your furniture.
Salted Nuts, Jul 10 2003
  

       I can't stand the sound of a vacuum cleaner. 'bone
snarfyguy, Jul 11 2003
  

       //help push dust bunnies out//
The Roomba has a "side brush", which looks kind of like some small pieces of fishing line that lash out along the floor as it goes, presumably serving this purpose. Kind of like a mini-weed-wacker (or in the UK, a mini-strimmer) for dust clumps.
krelnik, Jul 11 2003
  
      
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