Math 1a, Unit 21, Volume Computation

Round-14 hunt: picked; source: deeper uploads from a strong round-13 channel; channel already live on Lumen; strict per-title check + final strict pass; title rules; oEmbed verified.

A 22-minute video from Oliver Knill: “Math 1a, Unit 21, Volume Computation”.

Video by Oliver Knill, played through YouTube's embedded player.