https://arstechnica.com/science/2023/12/study-why-a-spritz-of-water-before-grinding-coffee-yields-less-waste-tastier-espresso/
New study, but that's an old technique.
When using my other grinder (a cheap plastic Krups) I used to stir the beans with a wet spoon to reduce the static and stop the clumping/sticking of grinds in the plastic hopper.
@branwen started
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https://arstechnica.com/science/2023/12/study-why-a-spritz-of-water-before-grinding-coffee-yields-less-waste-tastier-espresso/