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I Bubble dynamics over a liquid surface

  1. Mar 2, 2016 #1
    Hey all,

    Interestingly enough, I was actually recently feeding some ducks at a nearby pond when I noticed a cool phenomenon that I couldn't explain myself, so I was hoping you guys could assist in that.

    When you have two air bubbles over a liquid surface, like water, they seem to accelerate towards one another once they get close enough. Could anyone explain why this is?

    Thanks! :)
     
  2. jcsd
  3. Mar 3, 2016 #2

    Andy Resnick

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    If I understand you correctly, the bubbles perturb the water surface similar to the "Cheerios effect"

    https://en.wikipedia.org/wiki/Cheerios_effect
     
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