NoDeity wrote:The Fermi Gamma-ray Space Telescope has picked up gamma ray flashes from lightning storms on earth. That's not new. Here's what is new to researchers: "During two recent lightning storms, Fermi recorded gamma-ray emissions of a particular energy that could have been produced only by the decay of energetic positrons, the antimatter equivalent of electrons." So, apparently, lightning sometimes produces antimatter? Research continues...
http://www.sciencenews.org/view/generic ... _lightning
That's very similar to the recent discovery that pulling a piece of scotch tape off the roll generates X-rays.