[ame=http://www.youtube.com/watch?v=BWM98ksDsaU&feature=related]YouTube - Hamm Scientific Bubbler[/ame] here it is
Yeah, it has helix like tornado action that cools the smoke along with the benefits of a disc diffuser on a fixed stem bong. The perfection in the glass doesn't allow any water at all to enter your mouth either. The smoke resulting from a hit is as cool and refreshing I could imagine from a smoking device.
I have a feeling i wouldnt understand this exactly unless i saw it in person. I just cant seem to follow the procession of lighter, water, and smoke in these videos well enough to understand how they're working. Nevertheless, it looks really sick.