DUBLIN, Ireland—Humans have been intrigued by optical illusions from the primitive forms of the Ancient Greeks in 350BC to the advanced 21st Century versions in the field of theoretical neurobiology. Optician Jon Munro of the Supersavers Opticians in Dublin created this animated “gifographic” to not only illustrate some of the classic optical illusions but also to explain the reasons why our minds misinterpret what we are seeing.