Extended Data Fig. 10: WeTac enabled virtual touching experience in VR environment.
From: Encoding of tactile information in hand via skin-integrated wireless haptic interface
a,b, Photographs and synchronized screen captures showing the interaction between the user’s hand avatar and the virtual tennis ball. c, The stimulation current during the whole grasping-lifting-dropping process (for~2.6 s). d, The felt sensation levels on 5 fingertips in situations of grasping a real tennis ball (Real), perceiving the tuned stimulation without VR (Blind), and perceiving real-time stimulation when grasping a virtual tennis in VR (VR) (n = 9 random users; error bars, SD). e,f, Photographs and synchronized screen captures showing the interaction between the user’s hand avatar and the virtual cactus. The user was triggered to show an instinctive hand-withdrawal reflex when stimulated. g, The stimulation current when user’s finger contacts the cactus. h, The felt sensation intensity and position reported by the user after touching the virtual cactus.
