Learn
more about Douglas Leigh "the man who lit up Broadway"
and used steam to create real giant fog rings by clicking here.You
can see a bigger picture of his most famous sign by clicking here.
Or
check out what artist Ned Kahn plans to do with giant fog
rings by clicking here.
Here
is a link to a BBC news article about the volcano
Etna with pictures of the huge rings it produces.
You
can see some more pictures of volcano smoke rings by clicking
here!
If
you want to learn more about dolphins you should look at the pictures
and articles about dolphin air rings at Earthtrust's
Project Delphis, or check out the animated GIF's and videos
a the Scientific
American Frontiers website.
