A paper in the arXiv, discussed on the Physics arXiv Blog, investigates what the blog post called “one of the more intriguing conundrums in fluid dynamics”: why bubbles in Guinness appear to sink as the drink settles and the head forms.
A paper in the arXiv, discussed on the Physics arXiv Blog, investigates what the blog post called “one of the more intriguing conundrums in fluid dynamics”: why bubbles in Guinness appear to sink as the drink settles and the head forms.