That first sip that you attempt from your fresh takeout coffee is usually a cautious one; there's no easy way to know if the beverage is yet cool enough to drink. The Nohot Cup incorporates a bit of a notification feature that ensures that you don't succeed in throwing back a boiling hot brew.
The gray sipping lid of the coffee mug has a raised rim with a hole, right next to a slightly off-center white circle. This circle remains flat when your tea or java is 30 degrees, but bulges increasingly into a dome with higher temperatures. The Nothot Cup concept by Sang Xinxin, Yang Dongyun, Lin Xia, Wu Yichen and Gu Zhiyu hits your nose when your beverage is too steamy, making it quite difficult to take a mouthful.
Temperature-Indicating Travel Mugs
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