Researchers have found the presence of neurons in the human brain which can each selectively respond to an intermediate color; not just neurons of red, green, yellow and blue. Researchers from Tohoku ...

Studies using human participants - through psychophysical and brain-activity-imaging techniques - have also shown indirect evidence of the presence of those neurons, although no direct recording of ...

Demonstrates by use of a glass prism that white light is actually a combination of several colors, which can be reproduced by pigments. Shows how three primary colors can be mixed to make secondary ...