RS/RS2 Tutorial Series Lecture 3, Part 3. Resonance as birotation, photons as resonant circuits. Lecture 3, Title Sequence Lecture 3, Part 1 Lecture 3, Part 2 Lecture 3, Part 4 Lecture 3, Part 5 Lecture 3, Part 6 Lecture 3, Part 7 Lecture 3, Part 8