In practice, progress in science and technology often begins with an imaginative leap. The Wright brothers’ 1903 flight, once dismissed as fantasy, reconfigured distance and diplomacy. Likewise, mRNA vaccines turned decades of research into a rapid public-health response, translating a bold hypothesis into societal benefit. In each case, why not operated as a design prompt: instead of denying constraints, innovators reinterpreted them as criteria for creative solutions. [...]