Circle

Math. Geometry.

Your partner at a romantic candlelit dinner shows you the following curious map, and whispers, "Germany's three biggest cities lie on a CIRCLE." Are you intrigued? What's your response?

(Meme going around – credit to the original creator wherever they are.) pic.twitter.com/QV5LmTtckm

— Cliff Pickover (@pickover) December 26, 2025