Figure 1
From: Bubble cascade in Guinness beer is caused by gravity current instability

Schematic of the experimental configuration. (a) A pint glass; (b) inclined rectangular container; and (c) trapezium container.
From: Bubble cascade in Guinness beer is caused by gravity current instability

Schematic of the experimental configuration. (a) A pint glass; (b) inclined rectangular container; and (c) trapezium container.