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Home > All Images > 2004 > August > 26 Aug 2004

Images Dated 26th August 2004

Choose from 105 pictures in our Images Dated 26th August 2004 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Goblet illusion Featured 26 Aug 2004 Image

Goblet illusion

Goblet illusion. This image is simultaneously a drawing of a goblet and two faces. When there are two competing interpretations of an ambiguous image the brain will often switch between them. So a viewer of this image, which has been around in some form since the 18th century, may see a white goblet for a while, but then change to seeing two black faces in profile. It is impossible to see both at the same time. It is also impossible to view this as abstract shapes - once the brain knows the form of a goblet and of a face in profile it must assign one of the two to its interpretation of this image


Hermann-Hering illusion Featured 26 Aug 2004 Image

Hermann-Hering illusion

Hermann grid illusion. The intersections of the white horizontal and vertical lines in this image appear to be grey. But when looked at directly they are clearly white. This is because of the role played by the edge of the retina. Our peripheral vision is designed to prioritise identifying shapes and edges. To this end the brightness of an image on the edge of the retina is diminished when it is not important to shape identification. At the intersections, a lot more of the area is white light compared to elsewhere on the lines, and there is an effect called lateral inhibition. The brightness is dimmed for this area, and we observe it as grey


Foglets Featured 26 Aug 2004 Image


Foglets, conceptual image. Foglets linking arms to eventually create a Utility Fog. A Foglet is currently a concept based around an artificially intelligent nanorobot with twelve arms pointing in all directions. At the end of each arm is a gripper so that many Foglets can grasp one another to form larger structures (Utiliy Fog). Once part of a Utility Fog, the Foglets can start to manipulate their properties using an antenna arm that interacts with the micron wavelength region. This manipulation means that Utility Fog can create any visual, auditory or tactile environment desired