Illusions
The Forever Corridor Illusion
Check out this illusory gif. If you want the illusion to go faster, cover the middle section. If you want the illusion to go slower, cover the sides.
Optical Illusion: Color Aftereffect Illusion
Stare at the red dot in the illustration above for 10 seconds. When the GIF illustration goes from the colored landscape to the black and white building outlines, pastel colors will show up on the white background. This illusion is the result of afterimages, an effect that is often used by artists to encourage our eyes […]
Double Head Illusion
Which of these two double-headed illusions do you think is best? First or second. Vote your choice by commenting below. In each image, which face did you see first? Face forward or face to the side? These images are two examples of ambiguous figures featuring faces that can be seen in two ways: face forward […]
The Spinning Wire Frame Illusion
With the Spinning Wire Frame Illusion, the frame appears to sometimes spin clockwise and then sometimes shift to spinning counter-clockwise. At first you might only see the frame spinning in one direction, but at some point your vision will shift and you will begin to see the frame spin in the other direction. When that […]
The Proofreader’s Error: An Illusion of Words
Can you find the proofreader’s error in this graphic? The proofreader’s error is a sort of mental illusion. We skip over words that are duplicated in a sentence, especially when one word is at the end of a line and the repetitive word is at the beginning of the next line. They say: You don’t […]
Ambiguous Figures: 19 Heads or More
How many heads can you see in this ambiguous figure drawing? I can count 19, but there may be more depending on what you call a head.
Steve Jobs: Double Perspective Illusion
In honor of Steve Jobs, someone created the following double perspective illusion. I’m not sure who created it but I wanted to share it. This double perspective illusion can be seen as a bite out of an apple – or as Steve Jobs’s shadow profile over the Apple logo.
Perspective Illusions: Dancing with the Moon
Below is a wonderful collection of 12 perspective illusions using the moon: 1. Playing footsy with the moon. 2. Carrying the moon on your back. 3. The moon jumping through a hoop. 4. Painting the moon. 5. Lassoing the moon. 6. Holding the moon in your hands. 7. Reading by moonlight. 8. Measuring the moon. 9. […]
Dark Spiral Illusion
Here’s a beautiful spiral illusion. As the pattern spins in this gif, you can feel yourself sink into the spiral. The spiral aftereffect is also strong! Here’s what the graphic looks like when it’s not spinning:
The Spiral Aftereffect
Here is an incredible example of The Spiral Aftereffect. Watch the spinning, moving gif below. Then look at a strong stationary pattern nearby. Watch that spin and bubble and move as well. That’s the spiral aftereffect.