2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134611Motivated by a proposal of Daykin (Problem 71-19*, SIAM Review 13 (1971) 569), we study the wave that propagates along an infinite chain of dominoes and find the limiting speed of the wave in an extreme case.10 pages, 5 figuresDynamical SystemsHistory and Overview70B99, 70F35, 97A90text