8 historic virtual reality headsets

The Sword of Damocles (1968)

Ivan Sutherland and his student Bob Sproull created this headset. According to Sutherland's original Harvard paper, the headset was very heavy and hung from the ceiling. As far as the display, it was really more of augmented reality than virtual.

Image: "The Ultimate Display," Ivan Sutherland

By Erin Carson

Erin Carson is a Staff Reporter for CNET and a former Multimedia Editor for TechRepublic.