Few technologies in recent years have attracted as much scientific, media and public attention as Virtual Reality. By providing a profoundly new paradigm for human-computer interaction, it is fundamentally changing the way people use and think about computers. Despite being in its infancy, Virtual Reality has found applications in such varied fields as entertainment, interactive arts, medicine, architecture, security, education, and financial analysis.The articles collected here were selected after thorough review and describe the state-of-the-art in Virtual Reality software and technology. Included are the latest results in software architectures, interaction techniques and devices, modeling techniques, and applications.