Maybe a repost, but it's a pretty cool vid.
http://www.youtube.com/watch?v=mHyTOcfF99o
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Maybe a repost, but it's a pretty cool vid.
http://www.youtube.com/watch?v=mHyTOcfF99o
yep, pretty kewl
http://www.youtube.com/watch?v=mHyTOcfF99o
Yep, super cool til you make one with a helicopter...
http://www.youtube.com/watch?v=mP72wdgq5PU
No naked hula hoop chick dancing in a vortex?