Gateway to Science
Optical Illusions

Single black dot surrounded by gray haze
Black Dot

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














Black dots illusion

More Black Dots

How many black dots do you see?

Illusions

Check out "69 Optical Illusions & Visual Phenomena" by Michael Bach.























High Praire Arts & Science Complex