If you're handy with electricity and wiring, you might try: overdriving fluorescent lights. They warn that you could burn down your home, which is true.
I've used this method and it is a bit tricky and somewhat complicated, but I grew up doing things like this. My dad, and grandfather usually did similar things, so I have a long history of tinkering. Anyway, that's my excuse. If you do try this, be careful, don't get hurt. I'm just providing a link that explains how it is done.