Optical Illusions

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Colour does not actually exist... what exists is light

BBC News - Do you see what I see?

http://www.bbc.co.uk/news/science-environment-14421303#story_continues_2

BBC News - The science of optical illusions

In the left image, the black and white spaces in the central pin-wheel seem to blend more than in the right image - though the two are the same http://www.bbc.co.uk/news/magazine-11553099
Mirror illusions

Illusionist artists

Trompe L'oeil (trick-of-the-eye)

illusion

To notice: When the box flickers slowly, each flicker is of long duration and the box appears to be filled-in. When it flickers quickly (short duration flicker) it appears to be "unfilled": the center appears to be about the same color as the background.

Visual illusions | Macknik Lab

http://macknik.neuralcorrelate.com/node/6
Technology has advanced throughout the years at an extraordinary pace, a pace that can only be matched by the rate of “the last model’s” obsolescence. How often do we stop to think about the fate of these once-beloved, now defunct relics?

20 Amazing Examples of Art from Obsolete Technology | WebUrbanist

http://weburbanist.com/2009/04/17/20-amazing-examples-of-art-from-obsolete-technology/