1. 錯覺 Optical illusion image

2. How many faces do you see?

3. How many faces can you find in this image?

4. What do you see when you look at this picture? Do you see ladies talking to each other or something evil?

5. This one will make you dizzy. Try focusing on just the center circle while moving your head

6. Which line connects to line C? A or B?

7. What do you see below? Do you see the letter "E" or just black lines?

8. 旋轉的女人

9. Do you see a rabbit or a duck?

10. Try to count the number of black dots on the image below...

11. Despite their appearance, the top lines on each of these trapezoids is the exact same size!

12. Can you figure out what this is a picture of?

13. It is a cow's head looking at you.

14. This image appears to bulge, although it only consists of squares

15. The gear wheels should appear to SLOWLY rotate. The one on the left side of the screen should turn clockwise And the one on the right side of the screen should turn counter-clockwise.

16. This is an example of an anamorphic illusion created by Julian Beever.This sidewalk drawing was drawn in a special distortion in order to create an impression of 3 dimensions when seen from one particular viewpoint

17. The green is identical throughout this illusion

18. During the late 19th and early 20th centuries, matchbooks frequently featured topsy-turvy optical illusion artwork. When viewed one way, the matchbook would feature one image, but when rotated 180 degrees, they would feature an entirely different image. Here is a collection of seven such images. Simply hold your mouse over the image to view what it looks like when rotated.

19. During the late 19th and early 20th centuries, matchbooks frequently featured topsy-turvy optical illusion artwork. When viewed one way, the matchbook would feature one image, but when rotated 180 degrees, they would feature an entirely different image. Here is a collection of seven such images. Simply hold your mouse over the image to view what it looks like when rotated.

27. Look at the two circles below. Would you believe they are the same color?

28. Does this scene look real to you?

29. Stare at the four black dots in the center of the image for 30 - 60 seconds. Then quickly close your eyes and look at something bright (like a lamp or a window with sunlight coming through it). You should see a white circle with an image inside it.

31. Can you find both the face and the word in this image?

33. Do you see a woman or a saxophone player?

35. Look at the grouping of stairs below. How can they keep climbing?

36. Is this knot pairing of triangles physically possible?

38. The following are common tests used to detect color blindness. Can you read the numbers hidden in each square?

39. How Many Birds Are There?w Many Birds Are There? September 11, 2006 by Vurdlak