Not sure why this particular guy made such a splash on the news, it's been done by amateurs for at least ten years or more with similar results. Google 'near space balloon' for hits on a dozen or more projects. I believe there was also a series of articles in Nuts&Volts on near space. Gary ---------------------------------------------- Gary A. Crowell Sr., P.E., CID+ www.linkedin.com/in/garyacrowellsr -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist