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Jokes/Interweb Things Thread, Which Panel Is Darker? [Optical Illusion] in Fun Stuff; ...
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    DaveP's Avatar
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    Which Panel Is Darker? [Optical Illusion]


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    RabbieBurns's Avatar
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    however if you do the inverse, and cover up the top and bottom and only leave the two middle bits, you can see they are indeed two separate colours.

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    synaesthesia's Avatar
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    Well yes that's the idea of an optical illusion - it's not what is actually there, it's what your eyes/brain are interpreting as correct. As the join/middle cannot be seen when covered, our eyes make best judgement.

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    But at @RabbieBurns is right. The bottom panel is lighter in the fact that the highlight at the middle join simply doesn't exist on the top panel. It would be a good illusion if both panels were exactly the same, but they are not.

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