What is color? – 科爾姆·凱萊赫

Watch the whole lesson on http://ed.ted.com/lessons/how-do-we-see-color-colm-kelleher

Have you ever wondered what color is? In this first installment of a series on light, Colm Kelleher describes the physics behind colors– why the colors we see are related to the period of motion and the frequency of waves.

Lesson by Colm Kelleher, animation by Vitreous.