: This specific geometric version, often shared on news sites like Hindustan Times , was based on work by researcher Lydia Maniatis.
: You can easily recreate this yourself with simple household items: : This specific geometric version, often shared on
: Cutting two identical arcs from the rims of paper plates is a common science demonstration used to teach fair comparisons in experiments. Related Illusions in Media The illusion typically presents two or three identical
: Your brain performs an "unfair comparison" by matching the shorter inner radius of one arc against the longer outer radius of the adjacent arc. : This specific geometric version
The illusion typically presents two or three identical curved arcs. When placed next to each other in a specific staggered alignment, the arc on the bottom or side often appears significantly longer or larger than the one above or beside it.