아인슈타인에서 우주론까지 3-2 에테르

New channel Dongwoo Cha: title sample judged 'whole' (A dedicated physics professor's channel with systematic university-level lecture series (mechanics, E&M, quantum mechani); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.

A 32-minute video from Dongwoo Cha: “아인슈타인에서 우주론까지 3-2 에테르”.

Video by Dongwoo Cha, played through YouTube's embedded player.