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Abstract The current generation of virtual and augmented realities (VR/AR) has substantially advanced in the past decade because of the rapid development of converging technologies in various engineering and scientific fields. However, the current VR/AR technologies rely mainly on visual and auditory senses to physically replicate the virtual environment, although tactile senses play a significant role in the daily life since a myriad of tactile information is received through physical touch. Of the tactile senses, thermal senses are of great importance to be reproduced in the VR/AR field, since heat is transferred constantly and further interact with the surrounding environment. To date, there has been a huge amount of research studies on functional materials, thermo‐haptic devices, and wearable electronics that have all converged to form the fundamental groundwork for the development of wearable thermal VR/AR devices. In this progress report, a review on various physical mechanisms and research is provided that can potentially be applied in the next generation of thermal VR/AR technologies and discuss the essential challenges that need to be addressed.
Lee et al. (Mon,) studied this question.