The hottest Nuclear Substack posts right now

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Timeline: The March To War With Iran

TK News by Matt Taibbi • 2542 implied HN points • 01 Mar 26
🌍 World Politics Nuclear
  1. The U.S. and Israel moved from sanctions and covert planning to open military strikes, culminating in a large joint operation aimed at crippling Iran’s nuclear and military capabilities and pushing for regime change.
  2. Diplomacy and inspections continued even as attacks happened: multiple U.S.–Iran talks mediated by Oman, IAEA oversight, and snapback UN sanctions all unfolded, but experts disagreed about how much Iran’s nuclear program was actually degraded.
  3. Mass protests in Iran and a violent government crackdown, combined with economic pressure like a deliberate dollar shortage, became focal points for international action and rhetoric, deepening regional instability and splitting global responses.

The Second Phase of the Iran War

Common Sense with Bari Weiss • 259 implied HN points • 16 Mar 26
🌐 International Nuclear
  1. The U.S. and Israel have spent the first phase trying to decapitate Iran’s leadership and weaken its military power.
  2. Their announced next goal is to end Iran’s nuclear program for good.
  3. This represents a strategic shift toward targeting nuclear infrastructure and signals a potentially longer, more intense campaign with big regional and diplomatic consequences.

⚛️ A nuclear step forward—maybe

Faster, Please! • 1553 implied HN points • 05 Mar 26
🌞 Climate & Environment Nuclear
  1. A new kind of nuclear reactor has been approved, offering a path to reliable, carbon-free power, but small modular reactors remain expensive and their economics will only improve if costs fall with repeated, mass-produced builds.
  2. Electricity demand is rising fast because of AI data centers, electric vehicles, and electrified heating, so the grid needs much more generation and transmission soon; in the near term solar and batteries will add capacity while natural gas provides reliability.
  3. Data centers function like infrastructure rather than big job creators — they use few permanent staff, bring substantial tax revenue, and impose little strain on local services; they can also spur local power investments (including on-site small modular reactors), though opposition often mixes environmental concerns with distrust of big tech.

The Fire We Forgot

Anima Mundi • 185 implied HN points • 08 Mar 26
🕹 Technology Nuclear
  1. Molten salt reactors with a thorium fuel cycle are a fundamentally different and inherently safer design: they use liquid fuel at near-atmospheric pressure, have passive shutdown features, and produce waste with radiological timescales measured in centuries rather than millennia.
  2. Historical choices and institutional priorities—especially ties between civilian programs and weapons production—pushed the world toward uranium light-water reactors, creating long-lived waste and locking in regulatory and industrial systems that suppressed the thorium molten salt alternative.
  3. China is actively developing thorium molten salt reactors and the full materials supply chain, which could give it strategic energy advantages while many Western programs lag behind; this shift has major geopolitical implications and needs far more public and policy attention.

Every Three Hours Is A Chance To Make A New World: Notes from the Oklo Reactor

Welcome to Garbagetown • 575 implied HN points • 07 Oct 24
🔬 Science Nuclear
  1. Learning something new can spark excitement and a desire to share that knowledge with others. It's fun to dive into unexpected topics that capture our interest.
  2. Exploring the intersection of science and storytelling can reveal the beauty and power of both. Stories can make complex scientific ideas more relatable and engaging.
  3. Taking a break from politics and focusing on other subjects can be refreshing. There's a vast world of knowledge and wonder beyond political discussions.
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Making it up as they go along

Comment is Freed • 188 implied HN points • 08 Mar 26
🌍 World Politics Nuclear
  1. Military strikes and public calls for regime change have escalated the conflict, but there’s no clear plan or willingness to commit forces to actually topple the government, which raises the risk of a long, unpopular war.
  2. The regime is fragile because of repression, corruption, mismanagement, sanctions and a failing economy, so many people want change even as the state struggles to govern effectively.
  3. History shows that degrading a government’s military or leadership doesn’t quickly produce collapse; the regime still has guns and leadership capacity, so fighting for survival is likely to be prolonged and unpredictable.

Weekly Dose of Optimism #181

Not Boring by Packy McCormick • 189 implied HN points • 20 Feb 26
🔬 Science Nuclear
  1. Heron Power raised $140M to mass-produce modular, software-defined solid-state transformers that use wide-bandgap semiconductors, can handle DC (so some customers can skip inverters), and aim to modernize and shorten supply bottlenecks in the grid.
  2. A new nasal vaccine protected animals against many respiratory viruses, bacteria, and allergens, suggesting a future seasonal spray or rapid pandemic stopgap; human trials are next to check how long protection lasts and whether it’s safe.
  3. David Silver secured $1B to build AI that learns from its own experience, pushing toward an "Era of Experience" where agents improve by interacting with environments rather than just imitating static data.

Reading List for 05/31/2025

Construction Physics • 8977 implied HN points • 31 May 25
🕹 Technology Nuclear
  1. Wind farms can create 'wind shadows' that harm energy production for neighboring turbines. This has led to competition among developers, often resulting in rushed planning and environmental neglect.
  2. Nuclear power could become cheaper if safety rules, like the 'As Low As Reasonably Achievable' policy, are reconsidered. Overly strict regulations can drive up costs and make nuclear energy less viable.
  3. Chinese car company BYD is cutting EV prices significantly, which is helping it gain market share. In contrast, GM is investing in traditional combustion engines due to slowing EV sales.

We Can Make Nuclear Cheap Again Now Downloadable

Gordian Knot News • 197 implied HN points • 12 Feb 26
🇺🇸 U.S. Politics Nuclear
  1. A book proposing a Nuclear Reorganization Act sold very poorly, so its PDF was released for free to try to spread the ideas more widely.
  2. About 100 free hard copies were sent to potentially influential people but produced virtually no engagement — only one polite response.
  3. The Trump administration has favored politically chosen but economically weak nuclear projects, wasted taxpayer money, and hampered better competitive options versus Russia and China, increasing the likelihood of a crisis that could finally force reform.

Will China’s Latest Purge Come for Xi Jinping?

Common Sense with Bari Weiss • 264 implied HN points • 27 Jan 26
🌍 World Politics Nuclear
  1. A top military leader was abruptly removed and accused of corruption and leaking nuclear secrets, marking a dramatic fall from grace.
  2. The move appears to be part of a wider anti-corruption campaign that can also be used to sideline rivals and tighten Xi Jinping’s grip on power.
  3. These purges raise questions about internal stability and possible factional battles at the top, with serious implications for military cohesion and international relations.

🚀 FP! Week In Review, Briefly #18

Faster, Please! • 274 implied HN points • 24 Jan 26
🕹 Technology Nuclear
  1. Nuclear power is staging a renewed comeback and could become a lasting part of the energy mix.
  2. The United States appears to be on an inevitable path toward greater electrification, becoming more of an "electrostate" as infrastructure and systems shift to electricity.
  3. Democracy’s stability depends heavily on economic growth, implying that sustained growth is key to democratic resilience.

Chernobyl: the perfect experiment

Gordian Knot News • 292 implied HN points • 19 Nov 25
🔬 Science Nuclear
  1. Nuclear accidents like Three Mile Island, Fukushima, and Chernobyl have had surprisingly low impact on public health. Even major releases didn’t lead to noticeable increases in cancer rates.
  2. The Chernobyl disaster, despite being severe, mostly harmed individuals who drank contaminated milk. Proper safety measures could have prevented most of the harm caused.
  3. The real danger lies in making nuclear energy too expensive, which can indirectly lead to more deaths by making people poorer. We need to make nuclear cheaper to avoid unnecessary risks.

Prime Time

Doomberg • 6766 implied HN points • 12 Mar 24
🔬 Science Nuclear
  1. The rise of artificial intelligence (AI) is expected to significantly increase power demand, potentially impacting the journey towards electrifying everything.
  2. The nuclear industry is experiencing a resurgence as evidenced by Amazon's move to power a data center with nuclear energy, reflecting a larger trend of increasing nuclear capacity globally.
  3. There is growing concern about whether the uranium fuel supply chain can meet the demand created by the rapid pivot towards nuclear energy, highlighting the importance of understanding the nuclear fuel cycle.

Thoughts on ZNPP

Black Mountain Analysis • 1474 implied HN points • 06 Jul 23
🌍 World Politics Nuclear
  1. Russian and Ukrainian claims about ZNPP have discrepancies.
  2. Effectiveness of military movements over the Kakhovka Reservoir is questionable.
  3. Ukraine's plan to use a 'dirty' missile strike at ZNPP may not be feasible.

Gaining Steam

Doomberg • 9401 implied HN points • 06 May 23
🌍 World Politics Nuclear
  1. Canadian Prime Minister Trudeau expressed serious commitment to nuclear power for the country's future energy needs.
  2. Grassroots efforts led by groups like Canadians for Nuclear Energy have influenced political outcomes in favor of nuclear power.
  3. Support for nuclear energy is growing in the US as leaders recognize its necessity for significant decarbonization of the economy.

Nuclear Plants should be Industrial Cathedrals

Gordian Knot News • 227 implied HN points • 12 Nov 25
🕹 Technology Nuclear
  1. Nuclear power plants should be built strong and beautiful, like cathedrals, to last a long time and serve future generations well.
  2. Designing nuclear plants with large domes and easy access for maintenance can help ensure their reliability and longevity.
  3. It's important to consider the quality and maintainability of different nuclear plant designs, as some may be more cramped and prone to issues over time.

Bulls and bears: a nuclear update

Everything is Light • 373 implied HN points • 26 Jan 24
🌍 World Politics Nuclear
  1. Energy security is a global concern and nuclear energy is crucial for societal progress.
  2. Many countries are investing in expanding nuclear energy generation, with significant projects underway in Asia, Europe, and North America.
  3. Despite past reservations, some nations like Japan and Italy are reconsidering nuclear power, while others like Denmark and Singapore are exploring options.

⚛ Atomic Amazon: The American nuclear revival takes another step forward

Faster, Please! • 913 implied HN points • 16 Oct 24
🕹 Technology Nuclear
  1. Nuclear energy has remained a stable part of America's energy mix for decades, but the vision of it being the main power source faded after the 1970s. People once imagined a future where almost everything was powered by nuclear energy.
  2. Amazon is investing in new nuclear technology called small modular reactors. This move is aimed at meeting its growing energy needs, especially for its cloud services and to support its goal of being carbon neutral.
  3. The revival of nuclear energy could mean a shift in the way we think about power sources. Companies like Amazon are taking steps to explore innovative solutions to energy challenges.

Weekly Dose of Optimism #156

Not Boring by Packy McCormick • 192 implied HN points • 08 Aug 25
🕹 Technology Nuclear
  1. The U.S. Department of Energy is making strides in nuclear energy by partnering with companies to create safer, advanced fuel types. This could strengthen America's energy independence and reduce reliance on foreign uranium.
  2. OpenAI has launched GPT-5, an improved version of its AI model that offers better performance without replacing humans. It's a sign of ongoing progress in making AI tools more reliable and useful for everyday tasks.
  3. A new AI from Google, called Genie 3, can create interactive environments based on text prompts. This technology can change the way we think about gaming and virtual experiences, making them more dynamic and engaging.

Why can't the NRC be like the FAA?

Gordian Knot News • 227 implied HN points • 23 Jun 25
🇺🇸 U.S. Politics Nuclear
  1. The FAA operates with honesty and clear rules, allowing for innovation in air travel without misleading the public about safety.
  2. Prototypes undergo strict testing, with clear pass/fail criteria, ensuring every design is thoroughly evaluated before approval.
  3. Once a design is certified, individual plants can be built locally without constant oversight, streamlining the process and promoting efficiency.

The Nuclear Reorganization Act

Gordian Knot News • 153 implied HN points • 29 Jun 25
🇺🇸 U.S. Politics Nuclear
  1. The proposed Nuclear Reorganization Act aims to replace the current NRC with three new agencies to improve nuclear safety and certification. This could streamline the testing and certification of nuclear designs.
  2. The Nuclear Monitoring Agency will ensure that radiation levels around plants are monitored and reported publicly, helping residents stay informed about any potential risks.
  3. The emphasis is on creating a competitive environment in the nuclear industry while balancing safety with regulation. This approach aims to minimize barriers to entry and foster innovation.

Where did the turnkey contracts go?

Gordian Knot News • 124 implied HN points • 23 Jul 25
💼 Business Nuclear
  1. In the late 1960s, nuclear power was seen as a cheaper way to generate electricity compared to coal, thanks to its efficiency and lower need for pollution controls.
  2. After 1968, fixed-price contracts for nuclear plants disappeared due to regulatory changes, leading to rising costs that made nuclear less competitive with coal.
  3. A stable regulatory system is essential for the success of nuclear power, as uncertainty can lead to higher costs that are passed on to consumers.

End the Week with THB

The Honest Broker Newsletter • 873 implied HN points • 15 Mar 24
💰 Finance Nuclear
  1. Transmission line deployments in the US may not meet expected levels, urging a need for spreadsheet updates.
  2. Anticipate a significant rise in energy demand globally based on current trends.
  3. China's energy consumption growth demonstrates the country's significant stake in the global energy landscape.

⚛☢ Here's what can end the nuclear renaissance, according to America's biggest bank

Faster, Please! • 456 implied HN points • 22 Oct 24
🕹 Technology Nuclear
  1. Nuclear power is being considered more seriously because it can produce a lot of clean energy, which is important in addressing climate change.
  2. The need for energy security has increased, especially after events like the Russian invasion of Ukraine, making nuclear power a valuable option.
  3. Small modular reactors (SMRs) may solve key issues like high costs and slow construction times in the nuclear industry, potentially leading to a significant upgrade in energy capacity.

The Hansen Firing

Gordian Knot News • 139 implied HN points • 19 Jun 25
🇺🇸 U.S. Politics Nuclear
  1. The current approach to reforming the NRC isn't effective. Both sides of the political aisle are missing the mark on how to make real changes.
  2. Making significant updates to nuclear regulations can face many challenges, including legal issues and pushback from those who benefit from the current system.
  3. A more strategic plan focusing on changing regulations and waiting for political tides, like the upcoming elections, might be a better approach for meaningful progress in the nuclear sector.

How Will The Ukraine War End?

John’s Substack • 6 implied HN points • 03 Feb 26
🌍 World Politics Nuclear
  1. Ukraine could collapse on the battlefield soon because Russia currently has the upper hand in forces, a favorable casualty-exchange ratio, and Western military support is dwindling.
  2. If Ukraine does not collapse, Russia may escalate massively to force an end to the war, and some Russian strategists are openly urging extreme measures.
  3. While the use of nuclear weapons is considered unlikely, desperate great powers can still take drastic risks — as shown by Japan's surprise attack on Pearl Harbor in 1941.

So Far, So Good

QTR’s Fringe Finance • 13 implied HN points • 05 Jan 26
💰 Finance Nuclear
  1. The nuclear industry is off to a decent start this year because of today’s news.
  2. Two favored nuclear names are showing good early performance after the news.
  3. The piece is behind a paywall but offers a free post and a subscription option.

Nuclear Reorganization Act Draft

Gordian Knot News • 109 implied HN points • 05 Jul 25
🇺🇸 U.S. Politics Nuclear
  1. A preliminary draft of the Nuclear Reorganization Act has been created and is available for public review. It's important for people to take a look and share their thoughts.
  2. The draft briefly explains key concepts in nuclear technology in a simple way. This approach makes complex topics easier to understand.
  3. Users are encouraged to report any issues with the website where the draft is hosted, as there may be delays due to technical problems. Patience is key when accessing the document.

One and Done Fails (Once Again) With Airpower

Phillips’s Newsletter • 80 implied HN points • 18 Jul 25
🇺🇸 U.S. Politics Nuclear
  1. Airpower requires time and careful planning to be effective. Just doing a quick bombing and saying it was a victory doesn't mean it worked.
  2. Claims of completely destroying Iran's nuclear program were likely exaggerated. Real progress takes consistent effort and assessment.
  3. History shows that quick military actions often do not lead to lasting results. It's important to consider how air campaigns are conducted.

A Brief History of Energy

Ulysses • 179 implied HN points • 27 Mar 23
🔬 Science Nuclear
  1. Human civilization is driven by the type and availability of energy sources, dictating growth, quality of life, and societal scale.
  2. Energy originates from nuclear reactions and its evolution through fusion and fission have shaped both natural processes and human advancement.
  3. Fusion energy holds the potential to revolutionize energy production by offering a clean, abundant, and safe alternative to traditional sources.

Links for 2024-01-19

Axis of Ordinary • 78 implied HN points • 19 Jan 24
🔬 Science Nuclear
  1. Mark Zuckerberg aims to create artificial general intelligence with Meta having 600,000 GPUs by 2024
  2. Microsoft introduces new method to enhance LLM inference speed by 20 times
  3. Liquid-metal-based microelectrode arrays integrated with ultrathin retinal prosthesis for vision restoration

A History of Nukes in Space

Nathan’s Substack • 59 implied HN points • 21 Feb 24
🕹 Technology Nuclear
  1. The history of nukes in space involves testing and speculation about potential nuclear threats, with past incidents including nuclear tests and the use of nuclear reactors in space.
  2. Treaties banning nuclear weapons in space exist, but enforcement is challenging as seen with Russia's violations of international treaties.
  3. Nuclear weapons and reactors in space can have significant impacts, from high-altitude EMP events disrupting electronics to the potential dangers of detonating a nuclear weapon in orbit.

All models are wrong, but some are tragically misleading

Gordian Knot News • 183 implied HN points • 30 Dec 24
🔬 Science Nuclear
  1. Evacuating people from the Fukushima area was delayed, and some evacuation decisions may not have been based on the actual risk levels involved. This led to unnecessary stress for many residents.
  2. A lot of the radiation exposure from the Fukushima disaster was less harmful than initially thought. Some areas had low radiation levels that people were advised to evacuate from, leading to disruption in their lives.
  3. Models predicting cancer risks from radiation exposure can be misleading. In some cases, the predicted health impacts did not match what real-life studies showed.

The Case for 2 mSv/day. 2.0.

Gordian Knot News • 139 implied HN points • 04 Feb 25
🔬 Science Nuclear
  1. The historical dose limit for radiation exposure was set at 2 mSv per day, based on a time when no harmful effects were clearly detected. This suggests that at this level of exposure, there might not be significant health risks.
  2. Our body has a strong system for repairing DNA damage caused by radiation and natural processes. Most DNA issues are fixed quickly, which means low-level radiation may not lead to serious health problems.
  3. If we accept that 2 mSv per day is safe, it could change how we manage nuclear power. It may allow for safer operations and reduce unnecessary evacuations, ultimately making energy cheaper and more sustainable.

Visit to Bataan NPP, 2013-09

Gordian Knot News • 124 implied HN points • 11 Feb 25
🕹 Technology Nuclear
  1. The Bataan Nuclear Power Plant was nearly finished but never started due to political issues. It had been built during Marcos' regime but was halted after his overthrow.
  2. The plant has been neglected since the 1980s, meaning it suffers from damage and requires significant investment to be operational again. Some believe it could be revived in the future with the right leadership.
  3. Despite being outdated in some ways, the plant's control systems are considered reliable since they don't have software vulnerabilities. There's a discussion about improving monitoring without losing the existing analog system.

The Total Dose Cult

Gordian Knot News • 124 implied HN points • 06 Jan 25
🔬 Science Nuclear
  1. Total dose of radiation can be misleading. It's not just about how much radiation someone gets, but also how quickly they receive it.
  2. People exposed to radiation over a long time can have different health risks compared to those who are exposed quickly. The way their body processes radiation can vary.
  3. When discussing radiation harm, it's important to consider the rate at which people are exposed. This helps to get a clearer understanding of potential risks.

The Fukushima Workers, Part 2

Gordian Knot News • 95 implied HN points • 06 Nov 24
🔬 Science Nuclear
  1. The Fukushima workers faced very high radiation levels, especially near the damaged reactors, sometimes exceeding 100 mSv/h. Despite this, they showed remarkable bravery to manage the crisis.
  2. Research on the health of over 5,000 Fukushima workers found no significant health issues by the end of 2019. This suggests that the body's systems are good at repairing damage from radiation exposure.
  3. Distance from a radiation source is crucial for safety. Being more than 2 kilometers away from a nuclear release greatly reduces the risk of harm, similar to how staying a safe distance from fire keeps you safe.

Russian crisis actors in Ukraine; China’s “Old Friend” Henry Kissinger visits; Russian nuclear saber-rattling; China’s Law on Foreign Relations; Cyber risks in solar equipment

Natto Thoughts • 39 implied HN points • 28 Jul 23
🌍 World Politics Nuclear
  1. Russian disinformation involved staged stories by crisis actors to justify invasion of Ukraine.
  2. Henry Kissinger's visit to China signals US efforts to improve relations and China's strategic messaging.
  3. The implementation of China's Law on Foreign Relations strengthens China's global influence and emphasizes China-centric order.

Camp Century

Gordian Knot News • 183 implied HN points • 01 Nov 23
💾 History Nuclear
  1. Camp Century was a unique nuclear plant experiment in an extreme environment
  2. The project showed the potential of non-traditional approaches in nuclear power
  3. Camp Century contributed valuable insights into climate history and nuclear reactor technology