Optical illusions

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Transcript of Optical illusions

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Optical Illusions

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Black spots appear at the intersections.

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The grey centre bar is the same shade everywhere! - Watch

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Move your head forwards and backwards while looking at the black dot. What appears to happen?

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There is a pipe in the stream of water that holds up the tap and supplies the water!

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Focus on the cross in the middle – what happens?

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Rabbit or duck?

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Rabbit or duck?

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Circle or spiral?

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M.C.Escher

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This is a perfect circle – honest!

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The thick black lines

are parallel.

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B or 13?

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You guessed it. The red lines are straight.

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How many legs?

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Young lady or old lady?

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Really truly nothing is moving

here!

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Can you see the 10 in the orange circle?

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What number is visible in the coloured circle? If you are

colourblind you may see no number – like the grey image.

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Practical and sporty

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Can you find mother and child?

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A dog in the

snow

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A dog in the

snow

Now can you see him?

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