Reuse Pizza Hut heat indicator

May 2, 2008 at 7:58 pm | Posted in idea | 1 Comment
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In Sydney, if you order a pizza from Pizza Hut these days, you will notice that there is a simple heat sensor sticker. Basically, if it is hot, the sticker would display “HOT”. Otherwise, it would turn black.

    

I peeled the sticker off and was wondering
“hmmm, where should I stick it on?”

I remember that every morning I have to touch the kettle to find out if the water is already hot or not. By sticking the sticker on the kettle, I can now have instant visual feedback.

     

Useful, huh? Hmm… What else can I stick these Pizza Hut stickers to?
Any ideas anyone?

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  1. But how can this possible?


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