3D television display. French inventor Pierre Allio working on his glasses-free 3D viewing system. Called alioscopy, the system is similar to other 3D displays in that it uses two overlapping images to make the brain see a three-dimensional image. Instead of glasses being used to view the results, the optical part of the system is the television screen. Examples of the rippled surface of the screens are seen at centre right and lower right. Seen through these screens, the two images are combined, forming the desired 3D effect. The images on the screen appear to extend outwards towards the viewer. The display is from one of the Lara Croft Tomb Raider games by Eidos.