Droplets of different liquids bounce off each other several times on a hot plate until they coalesce when the droplet that evaporates faster reaches a certain critical size dictated by the capillary length Letter: https://t.co/BX0S2KdSOi Video: https://t.co/Dn13uYpu55 https://t.co/g2PqDXimVE https://twitter.com/PhysRevLett/status/1459214169136369676













