Quantum Mechanics 9b - Photon Spin and Schrödinger's Cat II
Channel: ViaScience
Date: 2013-11-11

(Sorry for uploading this three times, but the first two times there were audio/video issues.)

The quantum mechanical description of photon polarization requires us to confront the idea of a "quantum superposition." 

The playlist: http://www.youtube.com/playlist?list=PL193BC0532FE7B02C