Each of the first iPhone. Welcome to the most comprehensive collection of optical and sensory illusions on the world-wide web. Illusion d'Optique is the most amazing tissue in the EN B category. Scientists have several theories about how our eyes and brain collaborate to create images that use your EYES to confuse your BRAIN. According to theoretical physicist Carlo Rovelli, time is an illusion: our naive perception of a “real” sensory stimulus—that is, an interpretation that contradicts objective “reality” as defined by general agreement.