Half a croissant, on a plate, with a sign in front of it saying '50c'
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Almost as great as sliced bread.

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Safety Microwave

Auto Shut Off Feature
  (+9)(+9)
(+9)
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A Microwave Oven with a built in smoke detector.
As soon as food starts to burn, 'Ding', the microwave shuts off.
MikeOliver, Oct 23 2009

[link]






       seems reasonable
dentworth, Oct 24 2009
  

       It would need to be a pretty sophisticated smoke detector, since there are a lot of vapors wafting around in a microwave that might set it off prematurely.
Joolin, Oct 24 2009
  

       Or alternatively a very basic one, which detects the smoke particles blocking out light.
MikeOliver, Oct 24 2009
  

       What [Joolin] said.   

       Whatever's cooking may emit steam, vapourised fat (which cools into droplets), even a little "normal" smoke. An ionisation detector won't be suitable, optical detectors will rapidly become contaminated and useless. This would be a serous technical challenge.   

       But a bun, anyway. [+]
8th of 7, Oct 24 2009
  

       An optical smoke detector with a wiper (like a windshield wiper?) :)
goldbb, Oct 26 2009
  

       //with a wiper// with a ship's clear view screen, surely?
pocmloc, Oct 26 2009
  

       Can we add a metal detector?
BunsenHoneydew, Oct 26 2009
  

       Partially baked with a certain toaster, I saw a program about the making of it: a smoke detector pops the toast up when it detects a set amount of smoke, sensitive enough to select the right shade of brown.
mitxela, Oct 26 2009
  

       You don't know what you're missing.
Aq_Bi, Oct 27 2009
  

       I would suggest that [Joolin]'s observation is the reason these don't already exist.
tatterdemalion, Oct 27 2009
  

       //I would suggest that [Joolin]'s observation is the reason these don't already exist.//
[Mitxela]'s observation suggests otherwise!
MikeOliver, Oct 27 2009
  
      
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