On Jun 12, 9:57 am, "greysky" <grey...@sbcglobal.net> wrote: http://space.newscientist.com/article/dn14120-would-an-antimatter-app... Finally! Someone is at least thinking about running an experiment that will test the gravitational polarity of antimatter. It's about time! ...in 1932, by Carl Anderson. http://livefromcern.web.cern.ch/livefromcern/antimatter/history/AM-history01-a