Author(s): Minhyeok Kuk and Hyoungsoo Kim Experimental studies of multicomponent droplet evaporation reveal distinct stages, with internal flow shifting from multiple vortices within the droplet to a single toroidal vortex dominating the flow dynamic, departing from the classical single-component picture. [Phys. Rev. Lett. 137, 084002] Published Thu Aug 20, 2026