Virtual Reality (VR) is becoming the enabling technology for man-machine communications. Besides entertainment and architectural walkthroughs, VR can be used in industry for better design evaluations, concurrent engineering, etc. This book gives a systematic overview of the fundamental aspects of VR technology and its industrial applications, based on up-to-date information provided by experts from research and industry. All the authors are leading VR researchers. Especially those from industry are pioneers of VR applications. The book contains their newest research results and concrete application examples with illustrations and color images.