These special glasses and contact lenses can deliver “augmented reality” and “virtual reality” in three different ways. First, they can project “heads-up-displays” (HUDs) across the user's field of vision, superimposing images that stay in place in the en

Created by gwern on 2010-10-27; known on 2020-01-01; judged right by Bruno Parga on 2020-01-08.

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