“…In HCI, VR, and AR the sense of smell is used to deliver multisensory experiences and sometimes to alter other sensory inputs [5], [9], [26], [27], [28]. Multisensory technologies and their applications in terms of interaction, design, and challenges have been discussed recently in many places [29], [30], [31], [32], [33]. To avoid the limitations of the chemical-based smell delivery systems, finding alternative methods that can effectively reproduce olfactory sensations without chemicals is becoming a necessity.…”