The "teapot effect" has been threatening spotless white tablecloths for ages: if a liquid is poured out of a teapot too slowly, then the flow of liquid sometimes does not detach itself from the teapot, finding its way into the cup, but dribbles down at the outside of the teapot.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/3qcZySS
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