> A human can be considered a device that produces about 100W thermal > and 30W mechanical (average adult) for 24 hours/day, every day (not > just while the engine is running), ... To be classified as human the engine MUST always be running :-) RM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist