Ah, the refreshing sound of a cool drink of water being poured. You might feel thirsty just thinking about it. Or, if you’re a scientist, you might feel curious. Mechanical engineer Mouad Boudina and ...
A soap bubble’s swan song is a quiet “pfttt.” Put your ear next to a soap bubble, and you might hear a high-pitched sound as it bursts. Now, scientists have characterized that sound using an array of ...