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Nuclear power & fusion: videos Hacker News recommends
Nuclear energy: fission reactors, Chernobyl, Fukushima, nuclear waste, small modular reactors, fusion, ITER, nuclear safety, uranium, energy policy debates about nuclear. Below: every video in this topic that at least three HN users linked with real commentary, in at least three different months (13 talks, 12 explainers, 9 lectures), best-scored first, with the comments on each video page.
- MIT Plasma Science and Fusion Center lecture recommended in 13 different months by 16 HN users, 2017–2023Recommended again and again as the best accessible overview of fusion physics, useful for judging fusion announcements and understanding why high-temperature superconducting magnets matter.
- MIT Club of Northern California talk recommended in 10 different months by 11 HN users, 2016–2024HN points to it as the grounded, approachable explanation of why REBCO magnets changed the outlook for fusion.
- HN commenters post it under nearly every fusion breakthrough story as the standard reality check on Q-factor hype.
- Stanford ENERGY talk recommended in 5 different months by 3 HN users, 2019–2020Cited in energy threads for Gates's argument on why batteries and renewables alone fall short and nuclear is needed.
- HN recommends it whenever a failure is blamed on human error, as a clear case study in looking for the systemic second story.
- HN uses it as a short, well-sourced overview showing that fossil fuels kill far more people than nuclear power.
- It is the go-to short primer HN commenters cite to explain why nuclear is expensive upfront but cheap to run once the construction debt is paid.
- Frequently linked in nuclear-power threads as an eye-opening pro-nuclear argument from a former anti-nuclear activist.
- gordonmcdowell explainer recommended in 4 different months by 4 HN users, 2011–2022HN users send it to anyone asking about thorium or molten salt reactors as a compact overview that answers common anti-nuclear objections.
- It is the go-to accessible explainer whenever HN discusses Helion or alternative fusion designs.
- Recommended as the go-to pitch for liquid fluoride thorium reactors whenever nuclear power comes up.
- HN used it as the go-to introduction to LFTR and thorium reactor technology in energy threads.
- HN commenters credit it with changing their minds on nuclear power and cite it for the downsides of renewables.
- Max-Planck-Institut für Plasmaphysik explainer recommended in 4 different months by 5 HN users, 2015–2017HN links it in stellarator and fusion threads as an understandable look at the design and engineering challenges.
- TeleconStudio documentary recommended in 3 different months by 2 HN users, 2014–2019Recommended as a moving, first-person account of the people who dealt with the worst of the Chernobyl cleanup.
- Recommended as an intense, insightful look at Bussard's IEC fusion work, frequently cited in fusion threads for his claim that it could be developed for about $200M.
- HN readers recommend it as the best explanation of what nuclear waste really is and how much of it is reusable fuel.
- Recommended in climate and energy threads as a numbers-based explanation of why energy underlies growth and emissions.
- Recommended as the detailed technical account of exactly what happened at Chernobyl.
- Praised as the best crash course on fusion reactor design nuances from an insider, used to temper fusion hype.
- Recommended as a clear technical explanation of micro-reactor fuel, safety and economics, from a channel HN trusts on nuclear topics.
- Dogwoof documentary recommended in 2 different months by 2 HN users, 2011–2023Recommended as a thought-provoking film on deep-time nuclear waste storage, though one commenter found it unenlightening.
- RethinkX explainer recommended in 2 different months by 2 HN users, 2022–2025Cited in nuclear-versus-renewables debates to support the argument that cheap renewables undercut new nuclear.
- Cited in nuclear energy debates, especially for uranium supply limits and why new reactor types fall short of claims.
- Well There's Your Problem Podcast podcast episode recommended in 2 different months by 2 HN users, 2021–2023HN points to it as a good, detailed podcast account whenever the Goiania incident or lost radioactive sources come up.
- Kyle Hill explainer recommended in 2 different months by 2 HN users, 2022Cited in nuclear power debates to argue that waste storage is a political rather than technical problem.
- HN commenters use it to put radiation exposure and risk into perspective, including everyday sources like flights and smoking.
- Recommended as a clear walkthrough of nuclear plant economics and why incentives favor other generation.
- Recommended in nuclear waste threads as a short, clear look at a real long-term storage solution.
- MIT MechE Lectures & Colloquia lecture recommended in 2 different months by 2 HN users, 2021–2026Recommended for realistic engineering detail on extracting heat from a tokamak.
- Pointed to as a lay-audience explanation of nuclear waste, safety and economics.
- US National Archives documentary recommended in 2 different months by 2 HN users, 2018–2020HN people link it as an old-timey explainer for nuclear thermal propulsion, and as evidence these engines were already built and tested.
- HN commenters cite it as a detailed critical counterpoint to Helion's claims, for those who want more than the hype.
- HN people link it as the original, technically solid presentation on thorium reactors whenever the topic comes up.
- Cited as Bussard's last substantial public presentation on polywell fusion and the source of his claim that about $200M would be enough.
- xkcd's What If? explainer recommended in 1 different month by 2 HN users, 2024–2025Recommended whenever a thread asks how dangerous it is to fall into a reactor or fuel pool.
- HN mostly cites it in nuclear power debates as Gates making the case that nuclear is needed for clean energy, with a few critical references to his views on population.
- HN points to it as the go-to accessible video whenever nuclear rocket engines come up.
- Recommended as an accessible, well-delivered lecture on high-intensity laser physics.
- Decouple Media interview recommended in 1 different month by 1 HN user, 2022–2026Used as background in nuclear energy threads for its account of French policy and the economics of the fleet.
- HN cites it as a skeptical rebuttal to Helion's promises, usually in threads on fusion power and Helion's Microsoft deal.
- bionerd23 video cited on HN 3 times, 2015–2016Cited as an example of Chernobyl YouTuber content and of casual handling of radioactive material.
- Linked in threads about the demon core and criticality accidents as a dramatic recreation.
- miSci - museum of innovation and science demo cited on HN 4 times, 2020–2024Cited in nuclear power threads as proof that waste casks survive severe crashes.
- What You Haven't Seen demo cited on HN 4 times, 2021–2026HN commenters cite it in nuclear and engineering debates as evidence that concrete containment structures can withstand aircraft impacts.
- Cleo Abram explainer cited on HN 3 times, 2023–2025HN cites it in nuclear power debates for the point that recycling waste is largely a solved problem, though costly to build.
- Linked as proof that the Orion concept was actually tested, whenever HN discusses nuclear propulsion or exotic spacecraft drives.
- Linked in nuclear power debates as a counterargument that the waste problem is unsolved.
- psfonseka video cited on HN 4 times, 2019–2025Used as an analogy whenever commenters criticize unqualified people placed in charge of expert fields.
- ansatuofi documentary cited on HN 4 times, 2015–2025HN links it in nuclear safety and military reactor discussions as the full story of the only fatal US reactor accident.
- Cited as a source lecture series behind arguments on energy, EROEI, nuclear power and climate.
Questions
What is the most recommended nuclear power & fusion video on Hacker News?
MIT's Pathway to Fusion Energy (IAP 2017) - Zach Hartwig by MIT Plasma Science and Fusion Center: Recommended again and again as the best accessible overview of fusion physics, useful for judging fusion announcements and understanding why high-temperature superconducting magnets matter.
How is this nuclear power & fusion list ranked?
By HackerTube's score: the number of distinct months in which an HN comment recommended the video, plus half a point for every month with a strong recommendation. One viral thread counts less than steady recommendations over years.
Where do the videos come from?
From every Hacker News comment between 2007 and 2026 that linked a YouTube video, labeled by an AI model as a recommendation, a citation, a joke or a criticism. The list is published by HackerTube under ODC-By 1.0; this edition adds indexable pages and the comment context.