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Great Optical Illusions (19 pics + 6 gifs)

  • Category: Pics  |
  • 2 Nov, 2010  |
  • Views: 23302  |
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A very interesting collection of optical illusions.

1. It’s a simple one. How many pencils are there? There are clearly seven… what, wait! Six? No.. So how many?

1 Great Optical Illusions (19 pics + 6 gifs)

2. Close your left eye and stare at the cross. As the circle moves left and right, it should pass through your blind spot and disappear completely! You may need to lean in closer to get this to work.


2 Great Optical Illusions (19 pics + 6 gifs)

3. Stare at the moon long enough, and the stars should begin to fade away. How many can you get to disappear?


3 Great Optical Illusions (19 pics + 6 gifs)

4. Can you tell which of these lines is longer? Test them with a ruler or a piece of paper -- you may be surprised.


4 Great Optical Illusions (19 pics + 6 gifs)

5. How many colors do you see? Most people see four colors: green, blue and 2 shades of pink.

Click on the image to see the answer.


5 Great Optical Illusions (19 pics + 6 gifs)


6. As the small circles intersect with the large ones, we seem to see the outlines of a growing and shrinking square. But there is no "square" -- your brain is trying to visualize in terms of solid shapes, and fills in the blanks.




6 Great Optical Illusions (19 pics + 6 gifs)

7. We already had an entire post with such pictures that seem to be in motion, but nope, the aren’t moving.


7 Great Optical Illusions (19 pics + 6 gifs)

8. Look at the red dot for a while and gray stripes will disappear


8 Great Optical Illusions (19 pics + 6 gifs)

9. Although you don’t believe it, these lines are straight and parallel


9 Great Optical Illusions (19 pics + 6 gifs)

10. These two birds are identical, not only in size but in color too.

Click to see the same image with the background removed.


10 Great Optical Illusions (19 pics + 6 gifs)


11. These "fish" may appear to be wiggling, but the only thing changing in this animation is the color.


11 Great Optical Illusions (19 pics + 6 gifs)

12. What do you see here at first glance? The yellow arrows pointing to the left or green arrows pointing to the right? There is no correct answer. Different people see different arrows at first (I saw the yellow ones)


12 Great Optical Illusions (19 pics + 6 gifs)

13. Another "false spiral" -- actually a series of concentric circles, hard as it may be to believe. To prove that there's no spiral, try tracing your finger around one of the circles. You'll see that it never moves inward or outward.


13 Great Optical Illusions (19 pics + 6 gifs)

14. Do you see the rose spots? Well, if you look at the cross, soon enough there’ll only be one green spot running around, other spots will disappear.


14 Great Optical Illusions (19 pics + 6 gifs)

15. First, look at the image at a close distance, then look at it from 1 meter distance


15 Great Optical Illusions (19 pics + 6 gifs)

16. Hover you mouse cursor over the picture. Does it move?


16 Great Optical Illusions (19 pics + 6 gifs)

17. Which direction is the cat rotating: clockwise or anticlockwise? Once again, different people will see different direction. I see it rotating in a clockwise direction. With practice, you can make it switch at will!


17 Great Optical Illusions (19 pics + 6 gifs)

18. These spirals are spinning only in your head ;)


18 Great Optical Illusions (19 pics + 6 gifs)

19. Three illusions in one! This three-in-one illusion includes a false spiral, an impossible Escher-esque structure, and what appears to be a seriously warped floor...


19 Great Optical Illusions (19 pics + 6 gifs)

20. The word is hidden here. Can you spot it?


20 Great Optical Illusions (19 pics + 6 gifs)

21. Can you tell where on this curve the lines are the longest, and where they are the shortest?


21 Great Optical Illusions (19 pics + 6 gifs)

22. Are the walls of this house facing outward, or inward?


22 Great Optical Illusions (19 pics + 6 gifs)

23. Which of these two dots is in the true center of the circle?

Click on the image to see the answer.


23 Great Optical Illusions (19 pics + 6 gifs)


24. Can you tell which of these cars is the largest?


24 Great Optical Illusions (19 pics + 6 gifs)

25. Here's a simple one. Are these two rows of squares perfectly parallel?


25 Great Optical Illusions (19 pics + 6 gifs)


Source


Do you like it?



№1 Author: adzhoe (2 Nov 2010 02:43) Total user comments: 14959


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pretty cool
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№2 Author: The Dude (2 Nov 2010 05:07) Total user comments: 143


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The CIA's got me pushing to many penciles.
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№3 Author: tattooguy67 (2 Nov 2010 05:33) Total user comments: 22


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It would be nice if you would include the answers to these, now I am going to be up all night wondering! But yes these are cool.
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№4 Author: bumblebee (2 Nov 2010 06:01) Total user comments: 38


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uhh way to steal everything from Yahoo. i already saw every single one of these on Yahoo.com, but yeah they are pretty good
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№5 Author: salsapopo (2 Nov 2010 10:22) Total user comments: 12723


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coool
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№6 Author: Lu (2 Nov 2010 13:33) Total user comments: 15082


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Eye torture. Nice.
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№7 Author: joffenbaker (2 Nov 2010 13:40) Total user comments: 4965


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It's too early for this 15
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№8 Author: miscellaneous (2 Nov 2010 14:22) Total user comments: 4179


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I need a drink 12

Why do I suddenly have to piss?
What the hell have you done to me?!
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№9 Author: amerJD (2 Nov 2010 17:16) Total user comments: 1400


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04 04
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№10 Author: 2fuzzy (2 Nov 2010 18:14) Total user comments: 10400


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nice!
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№11 Author: Poontang_Punisher (2 Nov 2010 18:58) Total user comments: 1257


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cooooooooooooooool
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№12 Author: dazen (2 Nov 2010 22:20) Total user comments: 1213


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my head hurts now 35 35
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№13 Author: Nsibai (2 Nov 2010 22:36) Total user comments: 5694


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09 15
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№14 Author: bruce88lee (3 Nov 2010 00:09) Total user comments: 1818


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21 21 21
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№15 Author: iyozach (3 Nov 2010 04:06) Total user comments: 43


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09
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№16 Author: wololo (6 Nov 2010 14:55) Total user comments: 383


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omg...this is the first time i ever spend more than 20 mins on anything
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№17 Author: raymond.wendt (11 Nov 2010 09:30) Total user comments: 9115


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what's up with that cat? it's creepy
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№18 Author: mahedi (30 Jun 2011 04:49) Total user comments: 10772


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Cool
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