> > Perhaps new materials and a staggered application should be now > > considered? > > Back to the future!!! Build pyramids! Pyramids do not collapse either way. > You need to wait 5000 years for the top to be abraded by the weather. Yes - pyramids really rock (groan) but the packing density of the occupants is a bit low for modern applications - a dead loss in fact. RM -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads