That's so awesome! I remember my teacher mentioning this, but she didn't get into any specifics. Watch me get ambitious and have a whole row of these...
On another note, anything I can do at my house that's a little less "family" oriented assuming I have only ordinary household chemicals and a heat source? I think you get my drift -- stuff that's possibly dangerous and therefore much more likely to be visually kickass.
BTW, nice sig...