482. Copy link List of discredited substances - Wikipedia en.wikipedia.org/wiki/List_of_discredited_substances wikipedia,worldbuilding
469. Copy link Solenoid (mathematics) - Wikipedia en.wikipedia.org/wiki/Solenoid_(mathematics) math,wikipedia
425. Copy link Lemniscate elliptic functions - Wikipedia en.wikipedia.org/wiki/Lemniscate_elliptic_functions math,wikipedia
424. Copy link Lemniscate of Bernoulli - Wikipedia en.wikipedia.org/wiki/Lemniscate_of_Bernoulli math,wikipedia
423. Copy link Lemniscate constant - Wikipedia en.wikipedia.org/wiki/Lemniscate_constant math,wikipedia
403. Copy link Batrachomyomachia - Wikipedia en.wikipedia.org/wiki/Batrachomyomachia ancient_greek,ffxiv,wikipedia
360. Copy link Ideal triangle - Wikipedia en.wikipedia.org/wiki/Ideal_triangle geometry,hyperbolic,math,wikipedia