2022--optical-illusion--these-arcs-are-the-same-length---magazine--healty-and-sport-news May 2026

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.

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 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. The illusion typically presents two or three identical

: You can easily recreate this yourself with simple household items: The illusion typically presents two or three identical