> That weird one that involves forcing fluids through atomic-scale > channels in semiconductors (what IS it called?) You may be thinking of Casmir effect. If not, add it to your list. It will be THE source of energy once people stop arguing about whether there is actually any zero point energy. RM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist