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Nature`s Smoke Rings

Nature Y U so cool? Dolphins, whales and volcanoes, all bein` bad with their version of the smoke ring thing.

submitted by: kitteh9lives
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Nature`s Smoke Rings. Nature Y U so cool? Dolphins, whales and volcanoes, all bein` bad with their version of the smoke ring thing.
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Hits: 10308 | Favorites: 6 | Emailed: 3 | Rating: 3.2 | Category: Science | Date: 12/11/2011
 
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More Comments >

snakecharmer
Male, 18-29, Southern US
 321 Posts
Tuesday, December 13, 2011 8:09:56 AM
They are like the people of the ocean

Phanthom_
Female, 18-29, Europe
 63 Posts
Monday, December 12, 2011 6:56:52 AM
Vortex rings are the source to free energy! :)

Thonious
Male, 40-49, Western US
 952 Posts
Monday, December 12, 2011 6:32:18 AM
The dolphins were playing and having fun with their rings, just like humans. Completely impractical.

The computer animation, though, undermined the beauty and frivolity of the real rings.


Bdan
Male, 18-29, Canada
 56 Posts
Sunday, December 11, 2011 10:05:06 PM
A more accurate name is a vortex tube. Bubble implies the fluid is stationary (that is, not rotating). They can be created with any high velocity burst in a fluid so the volcano one is legit. I'm sure they happen in nature a lot more often but just aren`t visible.

It is impossible for the tube to end within the fluid, as seen when the dolphin splits one in two, and the faster it spins the more stable it is which is probably why the volcano one doesn`t oscillate like the dolphin`s did.

How appropriate this was posted the day before my exam on fluid mechanics (I`m not kidding, Mech Eng graduate school). We watched the dolphin video in class. My prof was a little too excited about it.

davymid
Male, 30-39, Europe
 12082 Posts
Sunday, December 11, 2011 8:59:05 PM
That dolphin was boss!

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