Thermochromic

Shi Yuan wanted to create something unusual based on heat sensitivity technology and amaze the user, giving the impression of being “ free from the laws of nature”. The thing he wanted to embed this technology in is a wallpaper like the black one in the picture, which displays a flower in 3 phases. When the heat temperature reaches specific limit the flower starts to bloom.



This heat is detected from either sunlight or your hands.



To have effect, the material used is Thermochromic ink, like those funny coffee cans that reveal hidden messages after holding it in your hand for a while, or keep a hot tea in it. Another example is the mood ring that changes color depending on your finger’s heat level. It can become blue, black, green, orange or red.



Thermochromic inks use liquid crystals like the ones encountered in the mood rings, and leuco dyes used in flat thermometers, battery testers, clothing, and the indicator on bottles of maple syrup.

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