Jason Kumar: "Constraints on the Injection of Radiation in the Early Universe"

Whole-channel inclusion: Galileo Galilei Institute (GGI) is an honest teaching channel (title sample + 3 transcripts read: All three transcripts show genuine advanced physics research talks/lectures with structured technical explanation, consistent with the institute's teaching focus.); this title passed a strict title check (sonnet) after a labelling pass.

A 33-minute video from Galileo Galilei Institute (GGI): “Jason Kumar: "Constraints on the Injection of Radiation in the Early Universe"”.

Video by Galileo Galilei Institute (GGI), played through YouTube's embedded player.