18 May 2017 FlowLight Clever, but will it work? By Chin Chin From time to time science produces something which is really useful.  The flushing water closet, for one thing: the self-sticking postage stamp for another.  Both ideas moved civilisation forward without any apparent downside.  Now at last, we may have another: step up, Dr… Continue reading Issue 105: 2017 05 18: FlowLight (Chin Chin)