Pjacobi thank you for your advice and willingness to look at my site yourself The geometry used is the geometry i created when i was trying to understand Special Relativity some 25 years ago I never published then because i had great misgivings about it s similarity to the Israeli flag and i know how moral relativists vaunt Einsteins work as a validation of their philosophy I have now and that is why the web site has the layout it has I welcome advice and discussion on enhancments Thank you