> Its gnomon doesn't even cast a straight-edge > shadow :-) This is because the globe beneath the gnomon is round :) It's a gfx trick telling our eyes the image we're looking at is 3D.
-- Best regards Darek Oczki 52N 21E Warsaw, Poland GNOMONIKA.pl Sundials in Poland http://gnomonika.pl --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
