Virtual Reality systems are quite fasinating. They are designed to take commands from the user from his/her actions rather than keystrokes. There are also display systems that surround the user's vision, virtually putting him inside the software of the computer. Here are a few basic examples of VR equpment.
This is an example of a Head Mounted Display. This is a display system that puts the user inside the software
This is a wand. A simple user interface device.
A data glove is an advanced wand. Users are able to use their fingers while inside the computer's environment.
