GR exercise 2.4a: Atlas of a 2-shpere

New channel Lectures in Physics: title sample judged 'whole' (This is a full university physics lecture archive (GR, cosmology, astrophysics) with near-universal course-content uploa); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.

A 17-minute video from Lectures in Physics: “GR exercise 2.4a: Atlas of a 2-shpere”.

Video by Lectures in Physics, played through YouTube's embedded player.