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Leaders Raylene Horsman and Dayna Ness, at right,
show one of a series of optical illusions to test the group's
powers of observation on Thursday. The girls take part in the
summer program, Just for Girls, held twice weekly at the Signal
Hill Arts Centre. In this illusion, viewers were asked to determined
if the central dot is a different size in the two pictures. (The
answer: the dot is the same size in both.) |