EntityQ1639904· pop 6· linked from 6 articleshybrid imageSign in to saveimage that is perceived in one of two different ways, depending on viewing distanceConnectionsAlbert EinsteinPersonMarilyn MonroePersonopticsEntityWayback MachineEntityMassachusetts Institute of TechnologyEntitydigital object identifierEntityvisual perceptionEntitystage magicEntityUniversity of GlasgowEntitycollagingEntityoptical illusionEntityphotomontageEntitythumbnailEntityscrollingEntityspatial frequencyEntitysquintEntityCategoriesOptical illusions