You probably stumbled over this article about scientists @ Qatar University developing artificial clouds: http://news.bbc.co.uk/sport2/hi/football/9435035.stm h

You probably stumbled over this article about scientists @ Qatar University developing artificial clouds: http://news.bbc.co.uk/sport2/hi/football/9435035.stm http://news.bbc.co.uk/sport2/hi/football/9435035.stm edit: same as above post :)