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Dolphins and air bubbles

  1. Sep 12, 2014 #1
    Hello,

    I apologize in advance if this is the wrong section, it seemed the most appropriate

    Dolphins are able to produce rings of air which seem to counteract buoyancy by rotating ( I'm assuming rotation )

    https://www.youtube.com/watch?v=bT-fctr32pE

    How and why is this true ?

    Thanks
     
    Last edited by a moderator: Sep 13, 2014
  2. jcsd
  3. Sep 13, 2014 #2

    Borek

    User Avatar

    Staff: Mentor

    They don't counteract buoyancy, they are held in place by a whirlpool - and only for a limited time.

    I am moving it to physics, it fits there much better.
     
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