I have a question that's bothering me,thought some of you on this forum might have an answer: We see things because (a) they either emit light or (b) they reflect light. Now, visible light is part of the electromagnetic spectrum which put simply is an orderly classification of electromagnetic waves with respect to their frequencies/wavelengths. Now, as I understand it, our eyes can 'see' visible light because they detect electromagnectic waves with a particular frequency (that of visible light) and generate an electrical signal, which is sent to the brain. The brain then interpretes this signal and voila, we get an image. Is colour then a creation of the brain? Is the world in reality colourless?