The three I‗s of virtual reality-commercial VR technology and the five classic components of a VR system - Input Devices :(Trackers, Navigation, and Gesture Interfaces): Three-dimensional position trackers, navigation and manipulation-interfaces and gesture interfaces-Output Devices: Graphics displays-sound displays & haptic feedback.

Geometric modeling - kinematics modeling- physical modeling - behavior modeling - model management

Methodology and terminology-user performance studies-VR health and safety issues-Usability of virtual reality system- cyber sickness -side effects of exposures to virtual reality environment

Introducing Java 3D-loading and manipulating external models-using a lathe to make shapes. 3D Sprites- animated 3D sprites-particle systems.

Medical applications--robotics applications- Advanced Real time Tracking-other applications- games, movies, simulations, therapy