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According to the survey, a high proportion of blind people own cooking, when blind people cooking food, they don't know the current temperature of the pan, they only can use hand to test the pan temperature, this is very dangerous and often caused burns.
Now we use a very simple and cost-effective way to design a pan, this pan had memory metal rod inside, use memory metal to sense the pan's center temperature and change the metal rod's length shape, the putter will lengthen or shortened, to let the blind people know the current temperature, that will be more intuitive and safe
National Cheng Kung University
I Jui Lee