Remember meForgot password?
    Log in with Twitter

2015-03-31 08:30:43

The checkerboard to the left looks flat and the one to the right looks bulging due to an optical illusion resulting from the tendency of our visual system to look for high contrast edges in horizontal and vertical planes. Adding dots induces the visual sysem to also detect high contrast in slanted axes

Image uploaded by JohnThomas Didymus
Featured In
Personal Albums Oct 9, 2011 - johnthomas didymus
Latest News
Top News