Interesting article. Figure it out and you might be able to make millions. http://www.nbcnews.com/science/mysterious-hum-driving-people-crazy-around-wo rld-6C10760872 N4TS -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://amrad.org/pipermail/tacos/attachments/20130726/ad0688f6/attachment.html>