> Ahh, so basically the current transports the murcury ions from one > surface of the bubble to the other? Hence why you can put one in > reverse, and the bubble goes backwards? Right, and IIRC you can run them much faster than normal, maybe 10x, to facilitate resetting them. > So what's the bubble actually made out of? That stuff in the middle of Happy Fun Ball? Damifino. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist