The document contains a series of visual illusions and perception tests presented as questions without answers. The illusions include ambiguous images that can be interpreted in multiple ways, as well as examples of how prolonged staring can alter one's visual perception through effects like afterimages. The questions are designed to reveal how perception is not always objective and can be influenced by psychological factors.

1. Looks like President Clinton and Vice President Gore,
right?
Wrong... It's Clinton's face twice, with two different
haircuts.
What do you see?

2. There's a face... and the word
What do
What do you see?

3. No, they're both the same
size
Is the left center circle bigger?

4. It's a spiral, right?
No, these are a bunch of independent
circles

5. Keep staring at the black dot. After a while
the gray haze around it will appear to
shrink.

6. Can you find the dog?

7. Stare at the black lightbulb for at least 30 seconds.
Then immediately stare at a white area on the screen
or at a sheet of paper. You should see a glowing light bulb!

8. How many colors do you see?
There are only 3 colors: White, green, and pink.
There seem to be two different shades of pink,
but there is only one pink.

10. Do you see a couple or a skull?

11. Count the black dots! :o)

12. Are the horizontal lines parallel or do they slope?

13. How many legs does this elephant have?

14. Do you see the three faces?

15. What does the sign say? Are you
sure?

16. Do you see the face? Or an Eskimo?

17. Do you see a cube missing a corner?
Or do you see a small cube in a big
one?

18. Is the blue on the inner left back or the outer left front?

19. Do you see a musician or a girl's face?

20. Do you see an old man's face or two lovers kissing?