I got to admit I havent tried this one out but apparently this works. This guy shows you how to build a fireball that you can hold without burning your hand.
Impressive fire tornado that reportedly got so hot, it melted the fans.
"That's pretty cool, man, but can I just have a glass? I'm really thirsty."
Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors).