THE VIDEO SHELF · fusion reactor heat exhaust
International Colloquia #26: Fusion Reactor First Wall Cooling
An MIT colloquium by Dennis Whyte on power exhaust and first-wall cooling in fusion reactors, including recent innovations and the SPARC and ARC designs.
Why HN readers recommended it
Recommended for realistic engineering detail on extracting heat from a tokamak.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- MIT MechE Lectures & Colloquia
- Topic
- fusion reactor heat exhaust
- Format
- lecture
- Level
- advanced
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 4
- Recommendation years in dataset
- 2021–2026
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
I've seen various youtube videos from their employees and CEO. From what I remember, Dennis Whyte (head of the fusion lab at MIT and CFS cofounder) says you need about Q>5 at least, to make fusion economically viable. So that must mean Qplasma > 5. …
vjaswal on Hacker News · 2021-10
In The Truth About Nuclear Fusion Q FactorsFor those interested not only in simplified energy balance of a fusion power plant as shown in Fusion Power Plant Simulator, but in more realistic engineering of heat extraction from a tokamak I recommend the following lecture by Dr. Dennis Whyte from MIT Plasma Science …
leonidasrup on Hacker News · 2026-04
In Fusion Power Plant Simulator
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.