* Purple is a non-spectral color created by the brain from red and blue signals * Individual differences in eyes and brain make each person see colors uniquely * All colors we //perceive, including ...

Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

The face is an important feature for identifying individuals, and as suggested by the expression, “kaoiro wo ukagau” (Look at the complexion; i.e. be sensitive to someone’s mood, read someone’s ...