2022--optical-illusion--these-arcs-are-the-same-length---magazine--healty-and-sport-news -

: You can easily recreate this yourself with simple household items:

: 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

: Your brain performs an "unfair comparison" by matching the shorter inner radius of one arc against the longer outer radius of the adjacent arc. Magic Arcs - The Spangler Effect The illusion

While your specific title mentions "Healthy and Sport News," these illusions frequently appear in "Healthy Aging" or "Mental Health" sections of magazines (like Yahoo Lifestyle ) as "brain hacks" to illustrate how perception can differ from reality. Magic Arcs - The Spangler Effect : You can easily recreate this yourself with

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.