http://www.sciam.com/article.cfm?articleID=0005D6A3-3B91-1CDC-B4A8809EC588EEDF&catID=2 -- ____________________________________________________________________ When I die, I would like to be born again as me. Hugh Hefner ravage@ssz.com www.ssz.com jchoate@open-forge.org www.open-forge.org --------------------------------------------------------------------