Electron and photon collisions with atoms and molecules (updated)

Round-9 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor) passed; strict per-title check + final strict pass; oEmbed verified.

A 8-minute video from Attochem: “Electron and photon collisions with atoms and molecules (updated)”.

Video by Attochem, played through YouTube's embedded player.