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My research focuses on several areas involved with scientific visualization and HCI, including VR and virtual human modeling for studying embodied social interaction, the virtual exploration of a digitally animated universe, depiction of objects in higher dimensions, and the development of haptic(touch-based interfaces with force-feedback) approaches to the exploration of knots and math- ematical objects in three and four dimensions. I am also broadly interested user interface elements, e.g., pseudo-haptic interface for visualization, including illusion-based collision-sensing interface, and the improvement of 3D navigation using pseudo-haptic software technique.