Keigan here on Kev's account again. This url was sent to me on one of my lists and I thought some of you here would be interested in looking it over. _http://news.bbc.co.uk/1/hi/sci/tech/702478.stm_ (http://news.bbc.co.uk/1/hi/sci/tech/702478.stm) I thought it was worth checking out. Keigan