Grinding coffee with a splash of water reduces static electricity and makes more consistent and intense espresso

ScienceDaily
Dec 6, 2023, 11:58 am147 pts
The fracturing and friction of coffee beans during grinding generates electricity that causes coffee particles to clump together and stick to the grinder. Researchers report that coffee beans with higher internal moisture produce less static electricity, which means less coffee is wasted and there is less mess…

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