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The Physics Behind the Bubble Cascade That Forms in a Glass of Guinness Beer
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Does bubble cascade form only in a glass of Guinness beer? Researchers from Osaka University and Kirin HD explain the physics that underpins cascading flow of nitrogenated stout beer, with applications to water purification and pharmaceutical production. As far back as 1959, brewers at Guinness
![http://www.thepipettepen.com/wp-content/uploads/2016/03/Bubbles.png](http://www.thepipettepen.com/wp-content/uploads/2016/03/Bubbles.png)
Why Bubbles in Guinness Sink – The Pipettepen
![https://www.researchgate.net/publication/241494788/figure/fig2/AS:298550677262343@1448191436464/Histogram-of-bubble-sizes-in-diameters-from-an-image-about-two-thirds-up-the-glass-The.png](https://www.researchgate.net/publication/241494788/figure/fig2/AS:298550677262343@1448191436464/Histogram-of-bubble-sizes-in-diameters-from-an-image-about-two-thirds-up-the-glass-The.png)
Histogram of bubble sizes in diameters, from an image about two
![https://www.asynt.com/wp-content/uploads/2022/03/Guinness-website-image-March-2022.jpg](https://www.asynt.com/wp-content/uploads/2022/03/Guinness-website-image-March-2022.jpg)
Guinness - the world's first nitro beer - Asynt
![https://cdn.grove.wgbh.org/62/ed/b8062ab08d9f3a1651dd939966b8/16x9-beerlacing.jpg](https://cdn.grove.wgbh.org/62/ed/b8062ab08d9f3a1651dd939966b8/16x9-beerlacing.jpg)
Why does your beer's foam stick to the side of the glass — and
![https://images.squarespace-cdn.com/content/v1/5055e59ce4b02b42cb30023c/1548698978741-HEME8AADJF1VZTX32N9X/1_story5-tiny-bubbles-2000x3000.jpg](https://images.squarespace-cdn.com/content/v1/5055e59ce4b02b42cb30023c/1548698978741-HEME8AADJF1VZTX32N9X/1_story5-tiny-bubbles-2000x3000.jpg)
Tiny Bubbles — How Nitrogenation Changed Beer Forever — Good Beer
![https://imageio.forbes.com/specials-images/imageserve/37889919/0x0.jpg?format=jpg&height=600&width=1200&fit=bounds](https://imageio.forbes.com/specials-images/imageserve/37889919/0x0.jpg?format=jpg&height=600&width=1200&fit=bounds)
The Fluid Flow Dynamics Behind The Gravity Defying Bubbles In
![https://www.researchgate.net/publication/332228819/figure/fig1/AS:744315622014978@1554470081243/Schematic-of-the-experimental-configuration-a-A-pint-glass-b-inclined-rectangular_Q320.jpg](https://www.researchgate.net/publication/332228819/figure/fig1/AS:744315622014978@1554470081243/Schematic-of-the-experimental-configuration-a-A-pint-glass-b-inclined-rectangular_Q320.jpg)
PDF) Bubble cascade in Guinness beer is caused by gravity current
![https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Guinness.jpg/170px-Guinness.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Guinness.jpg/170px-Guinness.jpg)
Guinness - Wikipedia
![https://d3i71xaburhd42.cloudfront.net/b669191b48d8f75eff4e6a4886206b86563bedb8/3-Figure4-1.png](https://d3i71xaburhd42.cloudfront.net/b669191b48d8f75eff4e6a4886206b86563bedb8/3-Figure4-1.png)
PDF] Why do bubbles in Guinness sink
![https://gazette.jhu.edu/assets/uploads/sites/3/2009/10/page1.jpg](https://gazette.jhu.edu/assets/uploads/sites/3/2009/10/page1.jpg)
Now on tap: The 'fizzics' of beer : Gazette Archives
![https://cdn.zmescience.com/wp-content/uploads/2019/05/pint-of-guinness.jpg](https://cdn.zmescience.com/wp-content/uploads/2019/05/pint-of-guinness.jpg)
Why the bubbles from Guinness go down, not up