Keywords: 070320-a6-shape-moire-pr-gt-pb.gif Shape Moire - Figure 1 - When pr > pb the magnified shapes appear normally but they move in reverse direction compared to the movement of the revealing layer Emin Gabrielyan http //switzernet com/people/emin-gabrielyan/070320-shape-moire/a6-pr-gt-pb gif 2007-03-20 Emin Gabrielyan Gabrielyan en Original upload log en wikipedia FtCG page en wikipedia 070320-a6-shape-moire-pr-gt-pb gif wikitable Date/Time Dimensions User Comment - 21 50 20 March 2007 600 × 450 501 969 bytes Gabrielyan w en <nowiki> Emin Gabrielyan http //switzernet com/people/emin-gabrielyan/070320-shape-moire/a6-pr-gt-pb gif </nowiki> Moiré lines Animated GIF |