How Long Do Color Changing Cups Work?
On cooling, the compound becomes a light yellow metastable phase, which over 2–3 weeks turns back into original red. Many other tetrachloronickelates are also thermochromic. How do colour changing cups work? heat-sensitive paint: The Process Heat-sensitive paint or thermochromic paint contains pigments that change the coffee mug‘s color when a hot beverage is poured into … Read more