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Published byReyna Pryer Modified over 4 years ago

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Optical illusions These are interesting since we may have similar perception problems as we read our exams

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None of these below are actually moving

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The horizontal lines are parallel

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These are not spirals, but circles !

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After some time you may not see the pink dots anymore, just the moving green dot. Focus on the + sign, note the appearance of a moving green dot

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Fixer le point central en se rapprochant de l’écran puis en s’éloignant Focus on the central dot and move closer and away from the screen

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