University of Minnesota
Beautiful Brain: Do You See What I See?
Can art play tricks on your eyes, and can a still painting really appear to vibrate? The second lesson in a four-part series discusses the way our beautiful brains translate visual images. It highlights the style of optical art and...
Curated OER
Would You Believe Your Eyes?
Students study the parts and functions of the human eye. They create dodecagons which are twelve-sided figures with twelve equal angles and share these with the class so that each student can begin to see how many different illusions can...
TED Talks
Ted: Ted Ed: The Mathematics of Sidewalk Illusions
Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right spot? These sidewalk illusions employ a technique called anamorphosis- a special case...