VRML is the most exciting thing to hit the internet since the world wide web. In its first version VRML 1.0 it allows virtual worlds to be used in much the same way as web pages. You can click on virtual objects just like HTML links which take you into other worlds, read text, walk around and do most webby things except in three dimensions. VRML 1.0 is not interactive though, and nothing in the worlds can move around. VRML 2.0 expands on this, allowing objects to be animated and the user to interact with the world in very sophisticated ways. With a suitable VRML 2.0 browser you can create entire interactive worlds. Behaviours can be attached to objects by means of a script language JavaJavaScript e.t.c., and the browsers allow for all manner of sensors in a world to make things happen.

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