The design is based on Bernoulli’s Principle where an increase in the speed of a flowing fluid is accompanied by a decrease in its pressure and this decrease in pressure rapidly sucks air into the funnel through small holes aerating the wine before hitting your glass.
The design is based on Bernoulli’s Principle where an increase in the speed of a flowing fluid is accompanied by a decrease in its pressure and this decrease in pressure rapidly sucks air into the funnel through small holes aerating the wine before hitting your glass.