Is light a particle or a wave? – Colm Kelleher

View full lesson: http://ed.ted.com/lessons/is-light-a-particle-or-a-wave-colm-kelleher

Can we accurately describe light as exclusively a wave or just a particle? Are the two mutually exclusive? In this third part of his series on light and color, Colm Kelleher discusses wave-particle duality and its relationship to how we see light and, therefore, color.

Lesson by Colm Kelleher, animation by Nelson Diaz.

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