The arithmetic behind pouring a glass of wine

Have you ever ever discovered your self dishing out wine from a field, or beer from a standing keg, and questioned how a lot liquid is left within the container? In the event you had been desirous about it like a mathematician, you may need seen that the fuller the keg is, the quicker the beer comes out.

This might sound apparent, however it is a identified mathematical relationship, and it makes use of a flexible piece of maths that crops up in lots of different real-world conditions. Fluid dynamics is the research of circulation: how liquids…