Die (falsche) Äthertheorie – wie Widersprüche zu Erkenntnis führen | Terra X CC

Whole-channel inclusion: Terra X Nature is an honest teaching channel (title sample + 3 transcripts read: All three transcripts show structured, factual science explainers typical of genuine educational content, matching the channel's 'whole' verdict.); this title passed a strict title check (sonnet) after a labelling pass.

A 6-minute video from Terra X Nature: “Die (falsche) Äthertheorie – wie Widersprüche zu Erkenntnis führen | Terra X CC”.

Video by Terra X Nature, played through YouTube's embedded player.