Uploaded May 2026 | Updated September 2026, 3 weeks ago
NASA just announced a crazy new mission with an incredibly ambitious schedule: the agency wants to fly the first nuclear-powered interplanetary spacecraft to Mars in late 2028. Itβs called Space Reactor-1 Freedom. How are they going to pull it off? How does a nuclear spacecraft work? Noted space enjoyer (personal) Dr.*Kyle Hill explains.
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NASA just announced a crazy new mission with an incredibly ambitious schedule: the agency wants to fly the first nuclear-powered interplanetary spacecraft to Mars in late 2028. Itβs called Space Reactor-1 Freedom. How are they going to pull it off? How does a nuclear spacecraft work? Noted space enjoyer (personal) Dr.*Kyle Hill explains.
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![FALLOUTs Critical Chemical is REAL
Thanks to Radiacode for sponsoring todayβs episode! Go to https://103.radiacode.com/KyleHill and use Kyle for up to 14% off if you buy RIGHT NOW!
RadAway is arguably the most important chemical in the whole FALLOUT universe. But can you really remove radiation like you do in the games? What chemicals would it be made from? Noted Nuclear Zaddy Kyle Hill explains how to make RadAway in the real world.
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π΅: freesound.org FALLOUTs Critical Chemical is REAL](https://i.ytimg.com/vi/dq0aQWeGbMc/mqdefault.jpg)
![π΄ Perpetual motion TIME CRYSTALS what? | [OFFICE HOURS] Podcast 093
π΄ Perpetual motion TIME CRYSTALS what? | [OFFICE HOURS] Podcast 093 π΄ Perpetual motion TIME CRYSTALS what? | [OFFICE HOURS] Podcast 093](https://i.ytimg.com/vi/e8f0TtDOKHA/mqdefault.jpg)
![Tokaimura Tragedy - Historys Worst Criticality Accident
On September 30, 1999, the Tokaimura nuclear accident became the worst criticality accident in modern nuclear history. At a uranium processing facility in Japan, workers accidentally triggered a self-sustaining nuclear reaction while preparing fuel for an experimental reactor. One of the technicians, Hisashi Ouchi, received a massive radiation dose and spent 83 days in intensive medical care before his death. Over time, his story spread across the internet with misleading claims about what really happened. This [HALF-LIFE HISTORY] is the true story.
This video has been independently fact-checked by experts at the American Nuclear Society.
βA Slow Death 83 Days Of Radiationβ by NHK TV Crew: https://archive.org/details/ASlowDeath83DaysOfRadiation/mode/2up
00:00 Intro
01:39 Critical Mistakes
06:20 Safe Geometry
10:22 Over-Reaction
13:26 βA Slow Deathβ
23:25 Human Factors Dominate
28:12 Patreon Supporters
SOURCES:
A Slow Death: 83 Days of Radiation Sickness. Translated by Maho Harada, Vertical, 2008. Internet Archive, https://archive.org/details/ASlowDeath83DaysOfRadiation/mode/2up. Accessed 10 Mar. 2026.
Tokaimura Nuclear Accident. Directed by NHK TV Crew, NHK (Japan Broadcasting Corporation), 2009. https://www.youtube.com/watch?v=ZWomuWd7-to
Davis, M. H. The Japan Criticality Accident. National Republican, 2000, web.archive.org/web/20230429203013/nationalrep.org. Accessed 10 Mar. 2026. https://web.archive.org/web/20230429203013/http://nationalrep.org/2000/Japan%20Criticality%20Accident%20-%20Davis.pdf
International Atomic Energy Agency. Report on the Preliminary Fact Finding Mission Following the Accident at the Nuclear Fuel Processing Facility in Tokaimura, Japan. IAEA, 1999. IAEA Publications, www-pub.iaea.org/MTCD/publications/PDF/TOAC_web.pdf.
International Atomic Energy Agency. Report on the Preliminary Fact Finding Mission Following the Accident at the Nuclear Fuel Processing Facility in Tokaimura, Japan. IAEA, 1999. IAEA, www-ns.iaea.org/downloads/iec/tokaimura-report.pdf.
Ryan, Michael E. The Tokaimura Accident. National Center for Case Study Teaching in Science, University at Buffalo, 25 June 2001. Internet Archive, web.archive.org/web/20190819091553/sciencecases.lib.buffalo.edu.
United States Nuclear Regulatory Commission. Attachment 1: Review of the Tokai-mura Criticality Accident and Lessons Learned. SECY-00-0085, 12 Apr. 2000, www.nrc.gov/reading-rm/doc-collections/commission/secys/2000/secy2000-0085/attachment1.pdf.
Sokolov, Yuri. Human Errors Analysis and Safety Assessment in Industrial Facilities. Interim Report IR-05-003, International Institute for Applied Systems Analysis, Jan. 2005, pure.iiasa.ac.at/id/eprint/7832/1/IR-05-003.pdf.
Futami, Satoru. (2000). International Symposium on The Criticality Accident in Tokaimura: Medical Aspects of Radiation Emergency.
βThe JCO Criticality Accident.β The Wall Street Journal, 30 Sept. 1999. Archive.ph, https://archive.ph/20230602144147/https://www.wsj.com/amp/articles/SB938689300261376572.
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π΅: freesound.org Tokaimura Tragedy - Historys Worst Criticality Accident](https://i.ytimg.com/vi/ecXWHQaDrN0/mqdefault.jpg)
![A nuclear bomb exploded above themβ¦
On July 19th, 1957, a 2-kiloton nuclear warhead exploded above the heads of five volunteers during βShot Johnβ of the Operation Plumbbob series of US nuclear tests. Why would anyone volunteer to be at ground zero for such a blast, and what happened to them?
FULL VIDEO HERE: https://youtu.be/_eRcmjW9BUY
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πΌ: @mey A nuclear bomb exploded above themβ¦](https://i.ytimg.com/vi/exus0dFcuo8/mqdefault.jpg)

![Chernobylβs Radioactive Wild Horses
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π΅: freesound.org Chernobylβs Radioactive Wild Horses](https://i.ytimg.com/vi/f7pMgWGKuaw/mqdefault.jpg)

![βInfluencersβ donβt understand βraw milkβ
Id rather eat a chunk of uranium. Honestly.
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π΅: freesound.org βInfluencersβ donβt understand βraw milkβ](https://i.ytimg.com/vi/gj4RJHq52Bk/mqdefault.jpg)
![Big Nuclearβs Big Mistake - Linear No-Threshold
Nuclear is finally looking up from an informal βkeep your head downβ policy. However, itβs bringing with it a relic β a part of safety culture that is actually too safe to be practical at a time when it seems like a new reactor is being commissioned every day. What the public doesnβt know is that the fundamental assumption of radiation safety and regulation simply isnβt true. This is the case against Linear No-Threshold.
00:00 Intro
00:56 The Case Against LNT
04:44 The Problem
08:45 The Data
20:50 The Damage
27:15 The Solution
SOURCES:
Mohan Doss. Are We Approaching the End of the Linear No-Threshold Era? Journal of Nuclear Medicine Dec 2018, 59 (12) 1786-1793; DOI: 10.2967/jnumed.118.217182
Sacks B, Siegel JA. Preserving the Anti-Scientific Linear No-Threshold Myth: Authority, Agnosticism, Transparency, and the Standard of Care. Dose Response. 2017 Jul 14;15(3):1559325817717839. doi: 10.1177/1559325817717839. PMID: 28814947; PMCID: PMC5548321.
Siegel JA.A Critical Assessment of the Linear No-Threshold Hypothesis. Clinical Nuclear Medicine Volume 44, Number 7, July 2019 ISSN : 0363-9762/19/4407-0521. DOI: 10.1097/RLU.0000000000002613
Tubiana M, Feinendegen LE, Yang C, Kaminski JM. The linear no-threshold relationship is inconsistent with radiation biologic and experimental data. Radiology. 2009 Apr;251(1):13-22. doi: 10.1148/radiol.2511080671. PMID: 19332842; PMCID: PMC2663584.
Joseph Bevelacqua. (2024). The Linear Non-Threshold Hypothesis-A Failed Concept. Qeios. doi:10.32388/RDO6O0.
Hargraves, R. (2025, April 28). Lee Zelden, cut nuclear power costs. Robertβs Substack. https://hargraves.substack.com/p/lee-zelden-cut-nuclear-power-costs
Tell the truth about the health benefits of Low-Dose radiation. (n.d.). https://21sci-tech.com/articles/nuclear.html
Chapin, Douglas M. βNuclear Power Plants and Their Fuel as Terrorist Targetsβ SCIENCE VOL 297 20 SEPTEMBER 2002 https://atomicinsights.com/wp-content/uploads/SciencePaper-9.02.pdf
Cardarelli JJ 2nd, Ulsh BA. It Is Time to Move Beyond the Linear No-Threshold Theory for Low-Dose Radiation Protection. Dose Response. 2018 Jul 1;16(3):1559325818779651. doi: 10.1177/1559325818779651. PMID: 30013457; PMCID: PMC6043938.
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π΅: freesound.org Big Nuclearβs Big Mistake - Linear No-Threshold](https://i.ytimg.com/vi/gzdLdNRaPKc/mqdefault.jpg)
![The Problem with De-Extinction | New [OFFICE HOURS] #007
The new [OFFICE HOURS] is here! Some of these like this one will go out on the main channel to lure...entice new members to come inside the blast doors, but ONLY Patreon members will have their questions featured and every episode will be FREE for patrons at any level. Watch the first 3 episodes and join here: https://www.patreon.com/kylehill
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π΅: freesound.org The Problem with De-Extinction | New [OFFICE HOURS] #007](https://i.ytimg.com/vi/hF_ZrCPzO2A/mqdefault.jpg)
![π΄NASA Cuts are MUCH Worse Than I Thought | [OFFICE HOURS] Podcast 127
Kyle chats with Jack Kiraly and Casey Dreier two policy experts from The Planetary Society about the recent cuts to NASAs funding and what that means for the future of science in space.
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πΌ: Stream music by Karl Casey @WhiteBatAudio π΄NASA Cuts are MUCH Worse Than I Thought | [OFFICE HOURS] Podcast 127](https://i.ytimg.com/vi/hH7YZlEHwX4/mqdefault.jpg)