‘Parallel Illusion’ is up now at the Casselberry Art House Credit: Detail from collage by Alana Questell Though it officially opened last week, this reception on Saturday gives you a chance to meet ...

Every so often an optical illusion comes along that actually makes me feel ill. And this is one of them. What appears to be a series of decidedly unstraight lines placed in a wonky grid actually turns ...

A geometrical optical illusion is a type of puzzle in which these are arranged in different shapes, positions of lines, patterns, and figures that mislead the brain about their actual perception.