1.   Such virtual reality systems are already in existence today and foreshadow far more powerful developments likely within a few years.

2.   Networked virtual reality systems of this kind already enable their users to meet each other in various virtual realities allowing multi-player games.

3.   But Fuchs is confident that augmented reality systems will soon become part of our everyday lives.

4.   Lanier is the lead scientist of the National Tele-Immersion Initiative, a virtual reality system that has been designed for advanced versions of the Internet.

5.   The augmented reality system allowed surgeons to see a three-dimensional X-ray view of bones, organs and tissue that appeared to be superimposed on the patient.

6.   Virtual reality systems allow users to feel and act as if they are inside a computer-generated scene.

7.   In Singapore, developers are building an augmented reality system for a military defense of that city-state.

8.   Subjects covered in the course include three-dimensional animation, multimedia law and virtual reality systems.

9.   The researchers also are designing a virtual reality system to combat the dizziness and make the ride more enjoyable.