How do you get 200+ volts from a AA battery?  By using a disposable camera's flash unit.  And what do you do with 200+ volts once you have it?  Drive a nixie tube, of course!

 

I've got a Nixie Clock - sweet!  What's a Nixie clock you say?  Ah!  That's what I was saying just a few short months ago... Well..  Here's a Nixie clock:

Nixie Time - 1:51 

I've just finished creating my first Nixie Clock!  And I'm giving it away for free!!  How cool is that?  Pretty cool, if I do say so myself.