Very cool. If you're interested in this technology, you can get larger handheld air cannons that shoot big blasts of air quite far. (They're a ton of fun!) See

Very cool. If you're interested in this technology, you can get larger handheld air cannons that shoot big blasts of air quite far. (They're a ton of fun!) See http://en.wikipedia.org/wiki/Air_vortex_cannon http://en.wikipedia.org/wiki/Air_vortex_cannon