: You can easily recreate this yourself with simple household items:
: Your brain performs an "unfair comparison" by matching the shorter inner radius of one arc against the longer outer radius of the adjacent arc. : You can easily recreate this yourself with
: 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
: Two sleeves from a coffee shop are identical but will exhibit this illusion when placed side-by-side. : You can easily recreate this yourself with