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The special function of black coffee: forecast the weather

The special function of black coffee: forecast the weather

On a rainy day, throw a cube sugar into a black coffee and observe the bubbles released by the cube sugar without stirring. If the bubbles gather in the center, the pressure is very high and the weather will clear up soon. The attachment of bubbles around the cup indicates that the air pressure is very low, either heavy rain or snow. The surface tension formed by the oil of coffee beans is the key factor to determine the position of bubbles. Climate factors are not

May 22, 2014 73 views #Coffee knowledge #coffee anecdotes
Hydrodynamics in Coffee pattern

Hydrodynamics in Coffee pattern

Friends who have seen the coffee flower will probably be amazed by the skill of the barista. The hot white milk rushed into the dark brown espresso, and as the barista's wrist lightened, the surface of the latte rippled with a heart-like leaf pattern. It's so romantic, so romantic.

May 22, 2014 118 views #Coffee pull flower #coffee knowledge
Eight principles for judging Coffee

Eight principles for judging Coffee

The first principle: [clean], clean when light, and clean when strong. It's like a room, it's easy to be clean when it's empty, but it has to be clean when it's full. The second principle: [spindle flavor], that is, it represents the characteristics of this region. Cleanliness is the foundation, and an unclean cup of coffee represents a flaw, but clean coffee can easily become tasteless.

May 22, 2014 86 views #Coffee knowledge #Coffee Encyclopedia