Niven and others, Tim Wallace-Murphy and others are regular contributors to the Rosslyntemplar list mentioned in the previous post. The list is a very good way to keep up with Tim's ideas and others works. Yours Aye, Gary M. Sinclair [ This is the Sinclair family discussion list, sinclair@jump.net. [ To get off or on the list, see http://www.mids.org/sinclair/list.html