Add Yahoo as a preferred source to see more of our stories on Google. 3D optical illusion drawing hack We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of ...

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A Stereogram is an illusion ofa 3D surface. As per Julio Otuyama, “The visualisation of a stereogram requires an unusual skill: each eye must be targeted to distinct places on the image. This is ...

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