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PODCAST

Decouple

Dr. Chris Keefer

There are technologies that decouple human well-being from its ecological impacts. There are politics that enable these technologies. Join me as I interview world experts to uncover hope in this time of planetary crisis.

science

All Episodes

01:26:57

Why Nuclear Shipping Is Inherently Niche

Decouple ·

2026/01/08

Why have we built nuclear ships before, proven they can operate, and still not made them commonplace? Nick Touran breaks down the history of maritime nuclear power, from the Nuclear Ship Savannah and Otto Hahn to Japan’s Mutsu and Russia’s Sevmorput, then pivots to floating nuclear power concepts such as the MH 1A Sturgis and the Offshore Power Systems program. We explore what worked, what failed, and what keeps blocking adoption, including port access rules, indemnity and international agreements,

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01:12:44

Janus: The Army’s Second Attempt at Fielding...

Decouple ·

2025/12/18

In this episode of Decouple, Dr. Jeff Waksman, Principal Deputy Assistant Secretary of the Army for Installations, Energy and Environment, explains how the U.S. Army is making a second attempt at making microreactors great again. The discussion situates the Janus microreactor program in the long history of the Army Nuclear Power Program and Project Pele, highlighting why earlier small reactor deployments failed to compete with diesel and grid power even in extreme environments, and why Janus

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01:33:58

Why the First Nuclear Renaissance Failed: Can America...

Decouple ·

2025/12/11

The first U.S. nuclear renaissance collapsed under the weight of cheap shale gas, lost institutional expertise, and disastrous projects like Vogtle and Summer. Today, America is planning a fleet of eight AP1000 reactors, backed by unprecedented federal incentives. But can the country actually build large nuclear again?In this video, we break down what really killed the 2000s revival, why Fukushima wasn’t the turning point, and how AP1000 and ESBWR passive safety performed in station-blackout

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01:03:39

The Real Stakes of a Saudi Nuclear Deal

Decouple ·

2025/12/02

Saudi Arabia burns nearly one million barrels of oil per day to keep its lights on, yet it has cheaper and faster ways to replace this than by building large nuclear reactors. So why is the Kingdom pushing so hard for a civil nuclear deal? This episode walks through the strategic logic that has animated Riyadh’s nuclear ambitions for more than a decade. The answer lies in prestige, industrial capacity, and the latent fuel cycle capabilities that come with a power reactor programme, all set against

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00:50:15

Microreactors: A Mirage of American Nuclear Innovation?

Decouple ·

2025/11/25

In this episode, Chris Keefer speaks with Hadron Energy founder Samuel Gibson, the twenty four year old entrepreneur pursuing a ten megawatt integral pressurized water microreactor through a one point two billion dollar business combination with GigCapital7. Gibson outlines why he believes light water is the fastest licensing path, how he assembled a veteran nuclear team, and why Hadron shifted from a one megawatt concept to a ten megawatt design built around LEU plus fuel, modular plant layouts,

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01:08:58

The AP1000 Masterclass

Decouple ·

2025/11/18

Fan favourite, James Krellenstein, returns for a deep dive into the AP1000. We walk through how its conservative nuclear steam supply system is built from proven Westinghouse and Combustion Engineering lineage, and where its true innovation lies, in a radically passive safety architecture that removes the traditional race against diesel generators during LOCAs and station blackouts. From core makeup tanks and automatic depressurization to canned pumps, the in containment refueling water storage

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01:26:42

The Great Nuclear Reshoring

Decouple ·

2025/11/11

In late October, amid the choreography of President Trump’s visit to Tokyo, two vast and curiously intertwined announcements were made: an $80 billion strategic partnership between the U.S. government and Westinghouse Electric Company, and a $550 billion investment framework between the United States and Japan.This episode of Decouple, hosted by AJ Camacho of Politico and E&E News, brought together Michael Seely, Yuri Humber and Chris Keefer this time in the guest seat to discuss the

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01:05:31

Russia’s Maritime Nuclear Fleet: A Glimpse Behind the...

Decouple ·

2025/11/04

This week on Decouple, I sit down with Aleksey Rezvoi, a veteran maritime nuclear engineer who began his career in the Soviet Union designing third- and fourth-generation submarine and icebreaker reactors before later working in the U.S. nuclear sector.We explore the hidden history and living reality of Russia’s civilian nuclear fleet—a line that began with the icebreaker Lenin in 1959 and continues today with the RITM-200, the world’s only serially produced small modular reactor.From Arctic

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01:13:36

How China Builds Reactors So Fast

Decouple ·

2025/10/28

This week I sit back down with François Morin in his third appearance on the show. François is the World Nuclear Association’s point person on China. He works and travels inside China, speaks fluent Mandarin, and spends time at the conventional and advanced reactor sites that the rest of us argue about on Twitter. We cover how quickly China is really building nuclear power compared to the heyday of the French Mesmer plan, how that compares to Chinese coal and gas deployment, why Chinese nuclear is

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00:53:12

Engineering State v. Lawyerly Society

Decouple ·

2025/10/21

This week on Decouple, I sit down with Dan Wang, a research fellow at Stanford’s Hoover History Lab and author of "Breakneck: China’s Quest to Engineer the Future." We trace how China became an “engineering state” while America turned into a “lawyerly society,” and what that means for infrastructure, energy, industry, birthrates, social security, and human lives. From Guizhou’s skyways to Jane Jacobs’ shadow over North American cities, Wang shows the upside of abundant state capacity and

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00:54:59

Where Is Nature Going?

Decouple ·

2025/10/14

This week, we zoom out to the broader intellectual themes that shaped Decouple’s origins five years ago. I’m joined by Jesse Ausubel, a visionary in sustainability and biodiversity research and the Director of the Program for the Human Environment at The Rockefeller University in New York City. In his long career, Ausubel pioneered the modern study of decarbonization and dematerialization in the late 1980s and early 1990s. He helped organize the first UN World Climate Conference in 1979 and spent

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01:10:08

Handling the Heat

Decouple ·

2025/10/06

Process heat accounts for two-thirds of industrial emissions. Yet talk of decarbonization often misses the engineering realities that separate viable solutions from expensive dead ends. To understand process heat and the technologies capable of providing it, I’m joined by returning guest Jesse Huebsch, a process engineer specializing in chemical plants. Our conversation ranges from steel and cement to plastics and ammonia, examining which processes can be electrified, where steam dominates, and why

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01:06:42

Nuclear Meme Stocks

Decouple ·

2025/09/30

Nuclear has entered its meme stock moment. Last week, Oklo hit a market capitalization of $20.7 billion—more than established nuclear giants BWXT, Curtiss-Wright, and AtkinsRéalis—despite having zero revenue, no NRC design certification, and a rejected license application. In my conversation with returning guest Michael Seely, aka AtomicBlender, we examine this preposterous valuation built on glossy renderings rather than demonstrated readiness. If Rosatom, with 70 years of R&D and thousands of

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01:21:31

Carbon Dioxide: Earth's Thermostat

Decouple ·

2025/09/22

This week, award-winning science writer Peter Brannen returns to Decouple to explore the 4.5 billion-year story of carbon dioxide on Earth. Grounding our discussion is his new book, The Story of CO2 Is The Story of Everything. From the alien world of the Hadean eon to humanity's emergence as the "pyromaniac ape," Brannen reveals how this trace gas has shaped every aspect of our planet's evolution, through Snowball Earth, mass extinctions, and the rise of complex life, culminating

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01:17:50

To Bomb or Not to Bomb

Decouple ·

2025/09/15

Professor Alex Wellerstein returns from the set of WIRED (watch his excellent appearance here) to help me understand the origins of Middle Eastern nuclear programs and where they stand today. From France’s covert assistance to Israel’s bomb program in the 1960s to the mysterious Vela incident over the South Atlantic, Wellerstein shows how nuclear weapons spread through unofficial networks of scientists, spies, and opportunistic allies. We explore Iran’s strategic nuclear hedging, Israel’s policy of

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01:06:30

Rare Earth Emergency

Decouple ·

2025/09/08

This week, we talk about rare earth metals. What are they, where do they come from, and how are they redefining global power? I’m joined by David Abraham, a natural resource strategist who saw the future of rare earths in 2010 while working in Japan's Ministry of Economy, Trade and Industry. When China cut off rare earth exports over a territorial dispute, Abraham realized these obscure elements, sprinkled into our steel, the magnets in our speakers, the phosphors in our screens, held more

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01:07:14

Battery Power

Decouple ·

2025/09/01

This week, we talk about the rise of the global battery industry: its history, key players, raw material struggles, and how China came to dominate it. To do so, I’m joined by Henry Sanderson, author of "Volt Rush: The Winners and Losers in the Race to Go Green." We trace the story of electrification from Volta’s early experiments to the supply chains that now shape global power. Sanderson brings decades of reporting to a narrative that reveals China’s industrial strategy, the entrepreneurs

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01:21:57

The Export Expert

Decouple ·

2025/08/18

This week, we talk about Russian nuclear exports. Michael Seely, host of AtomicBlender, joins me to discuss the rise of Rosatom: Russia’s nuclear energy behemoth that now builds nearly half of the world’s new reactors. We trace its formation after the Soviet collapse, its grip on the nuclear fuel market, and its unmatched “turnkey” model for newcomer nations. Rosatom’s nuclear exports are more than just a commercial endeavour—they can reshape global influence for decades.Michael's videos on

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00:53:37

#289 - Breaking the Ice

Decouple ·

2025/08/12

This week, we travel to the edge of the map with Aleksandr Surtcev, an engineer who has crewed Russian nuclear icebreakers along the Northern Sea Route. We explore how Russia’s Arctic fleet keeps this strategic corridor open, why floating nuclear plants are powering remote communities and mines, and what life looks like in a place where polar bears trail ships for fish and resupply markets pop up on the ice. Beneath the stories lies a deeper discussion of geopolitics, engineering, and the hard

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01:16:30

The State of the Atom (2025)

Decouple ·

2025/07/28

This week, Mark Nelson joins us to deliver his second annual “State of the Atom” address. The nuclear power landscape has transformed in the last two years. Russia continues its nuclear export dominance while the West at last awakens from its stupor, driven by an unexpected force: artificial intelligence's insatiable appetite for baseload power. From Amazon's billion-dollar Susquehanna deal to Three Mile Island's resurrection, Big Tech is discovering what nuclear advocates have long

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307 results

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