Same Grey Twice
Two patches, one grey value, byte for byte. They do not look the same, and joining them into one bar does not help.
psychophysics
3 projects
- 29
- 22
Edges That Are Not There
Eight flat grey strips. You will see a bright line and a dark line at every boundary, and I can prove neither exists.
- 18
How Fine Is Your Ear
Two tones, almost the same. Twenty questions later the page knows your pitch threshold to within about ten percent.
soundbuild