The key to pouring water very quietly from a teapot isn’t just holding the spout shut to the cup, however creating a wonderfully clean stream of liquid.
Mouad Boudina at Seoul National University in South Korea drinks tea each morning. Repeatedly pouring tea right into a cup from a standard teapot from his hometown in Morocco made him surprise what makes this course of noisy. To discover out, he and his colleagues experimented with pouring water within the lab.
They stuffed an acrylic cylinder with…