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.

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.