Why break the glass will be hot water
We all know that glass is the preferred healthy drinking water. But many people have experienced or seen news Shuitang glass is broken after wounding scene, little cup chopped trouble, hurt people is a major event. Why Shuitang glass is broken it? Now to tell you that this one works.
That glass of hot water is there any way to install it is not broken do we do an experiment: lay edged teaspoon in a cup, then it will happen what circumstances?
Put a teaspoon in the cup, when water poured into the bottom of the cup when not enough time before the glass with hot (poor conductor of heat), heat a portion of the water will give a good conductor of metal teaspoon, therefore, water temperature reduced it from the boiling water into the hot water, there is nothing to impede the glass. As the water continues to pour into it, the cup is not so terrible, because enough time has been slightly with hot cup of.
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