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Post by Gord on Jan 31, 2013 23:44:37 GMT -8
Stare at the red dot on her nose for around 30 seconds, then look at a blank wall or ceiling and blink your eyes rapidly. Your brain will develop the negative image into colour! Not only does the picture below confirm the colours are right, you can sort of reverse the process by doing the same thing. This time, when you blink rapidly, the colour is gone. Neat.
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Post by kestrel on Feb 1, 2013 20:47:43 GMT -8
Very cool!
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