Half a croissant, on a plate, with a sign in front of it saying '50c'
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Ash-tres-color

Ashtrays with a safety feature
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The ceramic color-changing, heat-sensitive ashtray is green to start with...whens its heated up a little it turns amber, and when its fire-hazzard-hot it turns red. This would be great as a safety feature when emptying it out. Green -> go, Red -> no. This would also have the added novelty benefit of a color changing ashtray. Could be made using te same technology that some of the newer concept cars use with their brake discs. As they heat up, they glow.
shinobi, May 30 2004

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       Wow. Six years and no anno. (+)   


 

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