Computer modeller Johnathon Duckworth (R) is silhouetted against the screen as he navigates down a central Melbourne street at the opening of the Royal Melbourne Institute of Technology's (RMIT) Virtual Reality Centre July 7, 1999. The three million dollar complex includes a 1.2 million dollar super computer, a 25-foot semi-circular screen and a surround sound system to heighten 3-D effects, which designers say can cause vertigo. The city university teamed up with Silico Graphics to bring the first immersive visualisation technology to Australia. REUTERS/Will Burgess

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