It simulate an ion thruster (used by spaceships), and you can enable or not a lot of parameters to see how it's working.
I'm using Irrlicht 1.7 / Irrklang / Newton game dynamics.
I'll post a video later, because a screenshot is not so representative of it, in fact there are a lot of mouvements.
red:electrons
green : Xenon atoms
blue : Xenon ions
blue + glow : Accelerated xenon ions
![Image](http://img217.imageshack.us/img217/141/simu10.png)