On Fri, 26 Mar 2010 14:40:45 +1300, "ivp" said: > > > Helium is very expensive. I once bough enough to fill three 1meter > > That was for your targeting system wasn't it ? I bet it was to relieve some of the load on his robots, so he could continue to use the neoprene wheels :) Cheers, Bob -- http://www.fastmail.fm - Access all of your messages and folders wherever you are -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist