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Beer Bubbles Really Do Sink

Posted by michael on from the news-you-can-use dept.

Galvatron writes "A group of researchers at Stanford have shown that, despite being lighter than the beer itself, bubbles can actually slide down the sides of glasses. So, if you see it happen, it's not just that you've had too much to drink. For a description of methodology and an explanation of why it works, see the article."

9 of 137 comments (clear)

  1. Re:Old story? by ltning · · Score: 5, Informative

    Found it here.

    It's old :)

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  2. Re:Old story? by ubera · · Score: 5, Informative

    This one. The researchers here appear to be putting an academic imprimateur on the model discussed in 2000.

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    But what is the SIGnificance?
  3. Re:Our tax dollars... by goatan · · Score: 3, Informative
    Our tax dollars at work!

    What's more this has been done 4 years ago more here

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  4. Video report about it by tsager · · Score: 5, Informative

    There's a video about it here: video/mov,4MB
    Mentioned in news article from

  5. Video of this man & glasses of foaming Guinnes by supertsaar · · Score: 3, Informative

    Right here

    (Quicktime required)

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  6. This is so obvious by Pedrito · · Score: 2, Informative

    I'm sorry, but it took scientists to figure out that it was caused by the flow of the beer from the bubbles rising in the center? I mean, I figured that out a long time ago just by looking. No 750 frame per second camera required. I don't even think I was sober when I figured it out. And this is news? Sorry, but I'm a bit disappointed.

  7. More information on beer and champagne bubbles by sr180 · · Score: 3, Informative

    From Dr Karl Kruszelnicki.
    Bubbles 1
    Bubbles 2
    Bubbles 3

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  8. Re:Time wasted? by UnknowingFool · · Score: 3, Informative
    I cant see that this discovery can leed to any major breakthoughs. Not even minor ones.

    What these researchers have described is anomaly in gas-liquid mixing. In the field of chemical engineering, the mixing and flow properities of gas-liquid reactions are ongoing research subjects for the last several decades, particularly in fluidized bed reactors. Fluidized bed reactors are very important in the production of a wide variety of chemicals. While the test subject may have been fun for them to explore, it may hold clues into how gases and liquids mix in a reactor and this back-mixing may other researchers develop more accurate theories and simulations. These simulations then lead to better processes.

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  9. Re:Old story? by exp(pi*sqrt(163)) · · Score: 2, Informative

    If you're going to use fancy terms like 'imprimatur' you should spell them correctly. It's straight from Latin so doesn't have the 'francisized' ending.

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