Think I've seen something like that. They manage rather interesting
and subtle tricks with them. (Found that while looking up how to make
a vortex ring generator like the one I saw at Maker Faire.)
On Mar 22, 2009, at 21:50, Julia Thompson <[email protected]>
wrote:
Dolphins blowing bubble rings and playing with them:
http://www.youtube.com/watch?v=wuVgXJ55G6Y
Video from SeaWorld in Orlando. 3:25
Julia
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