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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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Transcript

  • 1. OPTICAL ILLUSIONS
  • 2. Which square is darker, A or B?
  • 3.  
  • 4. 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?
  • 5. Are the two circles the same colour?
  • 6. Which part of the picture is darker – left or right side?
  • 7.  
  • 8. What do you see?
  • 9. Do you see a ‘floating triangle’?
  • 10. Are the lines parallel?
  • 11. Totally straight lines?
  • 12.  
  • 13. Which is larger – the left or right hand card?
  • 14. 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.
  • 15. Move your head back and forward. What happens to the circles?
  • 16. Focus on just the centre circle while moving your head
  • 17. How many circles can you see? Did you see the 16 circles?
  • 18.  
  • 19. 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.
  • 20. What do you see? Duck or rabbit – or both?
  • 21. How many legs does the elephant have?
  • 22. One face? Or two profiles facing each other?
  • 23. Look at the wildlife painting of a Bengal tiger. Can you find the hidden tiger in the picture?
  • 24. “ the hidden tiger” is written in the tiger
  • 25. 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.
  • 26. 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.
  • 27. What word can you see?
  • 28. 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
  • 29. What do you see? You probably read the word ME in brown, but....... when you look through ME you will see YOU!
  • 30. What do you see? You should see a face …. but also a word. Tilt your head to the right – the word begins with L.
  • 31. Read what the sign says
  • 32. Read what the sign says
  • 33. Count the people in the picture below. After they shift, count them again!
  • 34. How many deer can you see in the picture? Just the one?
  • 35. How many horses can you see in the picture? Some people see 5, some 6 and some even see 7!
  • 36. What do you see in this picture? Can you see the baby?
  • 37. What do you see? Try blinking quickly!
  • 38. 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.
  • 39. Perpetually ascending staircase... how can the man go up all the time and come back to the same place over and over?
  • 40. IMPOSSIBLE STAIRS
  • 41.  
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  • 48.  
  • 49.  
  • 50.  
  • 51.  
  • 52. DIGITAL BUMPS
  • 53. MOVING HEART
  • 54. 1 length of rope … ..or 2?
  • 55.  
  • 56.  
  • 57.  
  • 58. Two elderly faces, or a larger scene?
  • 59.  
  • 60. 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'.
  • 61. 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.
  • 62. 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.
  • 63. What can you see in the picture above? And one final MAGIC EYE STEREOGRAM