Half a croissant, on a plate, with a sign in front of it saying '50c'
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Car door doppler alert

Did you look ?
  (+5, -3)
(+5, -3)
  [vote for,
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Built into the door itself, a doppler range/velocity detector pointing towards the rear of the vehicle which is activated when the door starts to open. If the system detects an object (car, truck) approaching on a vector that intersects with the door, an alarm sounds.

If it detects a cyclist, a "Wait for it ... wait for it ... NOW !" recording is played.

That's it.

8th of 7, Feb 22 2011

Alternative to "Wait for it" http://www.youtube....w7ur3iV6Z34#t=1m23s
[Jinbish, Feb 22 2011]

[link]






       "splat" account uploaded to flickr!   

       //approacking //   

       // intestects // are you drunk?
po, Feb 22 2011
  

       Thats approaching + whacking.
normzone, Feb 22 2011
  

       that's just mean. you are a mean drunk...
dentworth, Feb 23 2011
  

       Sp. fixed.   

       Your puny human touchscreen technology leaves a lot to be desired ...
8th of 7, Feb 23 2011
  

       [-] It would be funny only if the cyclist were carrying a vuvuzela.
sqeaketh the wheel, Feb 23 2011
  

       What, you need more reasons to hate cyclists ?
8th of 7, Feb 23 2011
  

       An inefficient and expensive replacement for a door mirror.   

       Perfect. [+]
shapu, Feb 23 2011
  
      
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