Vernacular of the S-matrix: Lecture 2/4, part 2 (Professor Jacob Bourjaily)

Round-9 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor) passed; strict per-title check + final strict pass; oEmbed verified.

A 45-minute video from SAGEX Network: “Vernacular of the S-matrix: Lecture 2/4, part 2 (Professor Jacob Bourjaily)”.

Video by SAGEX Network, played through YouTube's embedded player.