Indian Tumblers Vs. Coffee Cups — The Science Behind Tumblers

I used to hate Indian tumblers for the look. Indeed, many including me would cherish and prefer the feeling of holding a coffee cup to an Indian tumbler. In the recent times, I came across an interesting science fact about Indian tumblers and that made me love the Indian tumblers even more.

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In short, the theory is that surface tension cannot go against gravity making the liquid fall down and NOT run along the surface as is the case with coffee cups.