Difração de raios X

Round-12 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality ranking (tier C) passed; strict per-title check + final strict pass; oEmbed verified.

A 5-minute video from Daniel Atencio: “Difração de raios X”.

Video by Daniel Atencio, played through YouTube's embedded player.