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Hot drink such as coffee is a usual beverage in the daily life. However, the temperature of coffee is hard to feel. People always be burned by the hot drink.
The ‘Time to drink’ use the temperature-sensitive material to warm people whether the temperature of hot drink is fit for people. There is a circle be divided to three part on the top of the cover. Three kinds of material will indicate their color in different temperature.Blue means cool, green means warm and the red represent hot. Inaddition, and there are three different face under the color to show the different satisfaction degree of three knids temperature.
The University of Liverpool
Liverpool, United Kingdom