On 16/05/2011 10:59, IVP wrote: > He's most disappointed. I resisted the temptation to say "told you > so". His next step was to dissolve some bicarb in the water, after > which he reports much more gas produced > Salt and washing up liquid is more fun. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .