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Incredible Illusions

Two Grey Steps

Look at the sides of the grey space below.

Which half looks darker — the left hand side or the right hand side?

Press the button and look again.

It looks like the right hand side is darker than the left hand side. When you take the shaded part away, they look the same!

It all has to do with the way your eyes work.

If you want to know more, read the explanation


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