Seeing is believing. Or is it? I enjoyed the two pictures below from Richard Wiseman’s blog and thought I would post them here. The first one is a cleverly cut-away portrait, whilst the second is an animated gif image.
Click on the image below to open it in a new window, then stare at the black dot in the centre of the picture. What do you see?
Your eyes adapt to the negative image, then impose the reverse colours on the black and white image that follows.
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