Optical illusion
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Optical illusion

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edited slightly -by removing inappropriate information - for the middle school classroom from http://www.slideshare.net/isc/optical-illusions-282035

edited slightly -by removing inappropriate information - for the middle school classroom from http://www.slideshare.net/isc/optical-illusions-282035

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Optical illusion Optical illusion Presentation Transcript

  • OPTICAL ILLUSIONS
  • Which square is darker, A or B?
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  • The ‘brown’ square in the centre top, and the ‘orange’ square in the centre front are exactly the same shade of brown. Don't believe it?
  • Are the two circles the same colour?
  • Which part of the picture is darker – left or right side?
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  • What do you see?
  • Do you see a ‘floating triangle’?
  • Are the lines parallel?
  • Totally straight lines?
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  • Which is larger – the left or right hand card?
  • The SCINTILLATING GRID – black dots appear at random intersections Focus on a single intersection, the dot does not appear. The dots disappear if you are too close or too far from the image.
  • Move your head back and forward. What happens to the circles?
  • Focus on just the centre circle while moving your head
  • How many circles can you see? Did you see the 16 circles?
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  • If your eyes follow the movement of the rotating pink dot, the dots will remain only one color, pink. However if you stare at the black " +" in the center, the moving dots turns to green. Now, concentrate on the black " + " in the center of the picture. After a short period, all the pink dots will slowly disappear, and you will only see only a single green dot rotating.
  • What do you see? Duck or rabbit – or both?
  • How many legs does the elephant have?
  • One face? Or two profiles facing each other?
  • Look at the wildlife painting of a Bengal tiger. Can you find the hidden tiger in the picture?
  • “ the hidden tiger” is written in the tiger
  • The "illusion" is that this is just a picture of coffee beans; but it is not. Can you find a man's face among the beans? If you find the face in 3 seconds or less, the right half of your brain may be more well developed than most.
  • What do you see? In black you can read the word GOOD; but the word EVIL also appears in white letters inside each black letter.
  • What word can you see?
  • What do you see? You may not see it at first, but the white spaces create the word OPTICAL, while the blue landscape spells out ILLUSION
  • What do you see? You probably read the word ME in brown, but....... when you look through ME you will see YOU!
  • What do you see? You should see a face …. but also a word. Tilt your head to the right – the word begins with L.
  • Read what the sign says
  • Read what the sign says
  • Count the people in the picture below. After they shift, count them again!
  • How many deer can you see in the picture? Just the one?
  • How many horses can you see in the picture? Some people see 5, some 6 and some even see 7!
  • What do you see in this picture? Can you see the baby?
  • What do you see? Try blinking quickly!
  • This is called an "impossible object," which means that it's impossible to build. But drawing it is not impossible, as you see in the image.
  • Perpetually ascending staircase... how can the man go up all the time and come back to the same place over and over?
  • IMPOSSIBLE STAIRS
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  • DIGITAL BUMPS
  • MOVING HEART
  • 1 length of rope … ..or 2?
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  • Two elderly faces, or a larger scene?
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  • Julian Beever creates pavement art. Many of his creations are optical illusions, such as this one, where he appears to be perched on a ledge, waiting for Batman and Robin to climb the building and rescue him. In reality, there is just pavement in front of him – the rest is a 'trick the eye'.
  • Can you see the Shark in the picture above. The trick is not to focus directly on the image but try to focus on a point through the image. With a bit of patience and relaxation you CAN do it.
  • What can you see in the picture above? Remember the trick is not to focus directly on the image but try to focus on a point through the image. With a bit of patience and relaxation you CAN do it.
  • What can you see in the picture above? And one final MAGIC EYE STEREOGRAM