A must-have for all roboteers! (except Mr Danby! :wink: )

http://news.bbc.co.uk/player/nol/newsid_6430000/newsid_6432800/6432893.stm?bw=bb&mp=rmhttp://news.bbc.co.uk/player/nol/new...2893.stm?bw=bb &mp=rm