What Is Light And How Does It Interact With Matter? - Lectures on photon emission and absorption
eChem Lectures by Dr. Mark Kubinec;
eChem - UC Berkeley´s award winning online chemistry project
(c) College of Chemistry, University of California, Berkeley
http://chemistry.berkeley.edu/echem1a
Curriculum and ChemQuizzes developed by Dr. Mark Kubinec and Professor Alexander Pines; Chemical Demonstrations by Lonnie Martin; Video Production by Jon Schainker and Scott Vento; Developed with the support of The Camille & Henry Dreyfus Foundation
Creative Commons (by-nc-nd).
http://creativecommons.org/licenses/by-nc-nd/3.0/.