Hi Les, > - the Purkinje effect, named for a researcher in the early to mid > nineteenth century. Is this the same Purkinje after whom the Purkinje fibers in the heart were named? Best regards, Steve ===== Post to the entire list by writing to snegazers@brainiac.com. Unsubscribe by mailing to majordomo@brainiac.com with the message body "unsubscribe snegazers"