Air rings! I saw a beluga blowing one at the Vancouver Aquarium last year, only she did it out of her mouth rather than the blowhole as seen here.
One of my rainy-day projects is to figure out the dynamics. You can see how fast the bubbles rise when the ring is broken, but all that air is happily drifting around for tens of seconds while the ring is intact. What's balancing the buoyancy force?
Err... was I supposed to be paying attention to the critters?
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A cute kitty video
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One of my rainy-day projects is to figure out the dynamics. You can see how fast the bubbles rise when the ring is broken, but all that air is happily drifting around for tens of seconds while the ring is intact. What's balancing the buoyancy force?
Err... was I supposed to be paying attention to the critters?
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