> But at least he has learnt something No denying that > Wouldn't this be how Faraday, Volta, Galvani, would have worked Don't believe those guys downloaded an alleged done deal from some self-interested crank/liar on the web I understand the sentiment of your comments. The results of experimentation might be unexpected but they'll be something However, there are times when one has to be wary of becoming so open-minded that one's brains might fall out Joe --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .