Works · 042
Every figure on this site is generated from the phenomenon itself. Look first, then reveal the answer.
Geometry
Same length, same size — yet they look different. The surroundings bend your ruler.
Luminance
The same colour, seen as two. Your eyes compare with the neighbours, not with an absolute scale.
Motion
Still images that drift, and after-effects of motion. Time and peripheral vision change what you see.
Rotation
Clockwise or anticlockwise? Without depth cues, your brain simply picks one.
Frequency
Noise up close, a picture from afar. Spatial frequency decides what shows up.
Ambiguity
A picture that is two things at once, or hides something. The moment it flips is the point.
