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The John Batchelor Show

62: Nuclear Proliferation Concerns Regarding Small Modular Reactors and Weapons Testing. Henry Sokolski raises proliferation concerns about Small Modular Reactors (SMRs) using High-Assay Low-Enriched Uranium (HALEU) fuel (20% enriched). Declassified cables fr

The John Batchelor Show

John Batchelor

Arts, Society & Culture, Books, News

4.52.8K Ratings

🗓️ 8 November 2025

⏱️ 11 minutes

🧾️ Download transcript

Summary

Nuclear Proliferation Concerns Regarding Small Modular Reactors and Weapons Testing. Henry Sokolski raises proliferation concerns about Small Modular Reactors (SMRs) using High-Assay Low-Enriched Uranium (HALEU) fuel (20% enriched). Declassified cables from 1954 and 1977 suggested that uranium above 10% requires special concern, demanding a review before SMRs are exported. Sokolski also clarifies that US maintenance of its nuclear arsenal relies on non-critical tests and simulations, not full-yield explosions, though adversaries may be conducting critical tests.



Transcript

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0:00.0

What fans of this podcast enjoy the unexpected?

0:03.0

And here, Hidden a Man, the drama of Tokyo's streets.

0:07.0

It's my favorite tea house, surrounded by ancient trees and serene ponds.

0:13.0

I'm Yuki, a tour leader with Explore.

0:16.0

My mother brought me here for my first green tea.

0:18.0

Not many people know about Tokyo's Hamarikyu Gardens.

0:21.6

Thank you, but you will.

0:23.8

If you explore,

0:25.2

search explore.com.

0:26.5

UK.

0:27.5

And don't just travel.

0:29.2

Explore.

0:35.1

This is CBS Eye on the World.

0:38.5

Here's John Batchelor.

0:40.5

I welcome my good colleague,

0:41.8

Henry Sikolsky,

0:42.7

the executive director

0:43.7

of the Non-Proliferation Policy Education Center,

0:47.1

declassified cable,

0:48.8

one from 1954,

0:50.7

another from 1977.

0:52.8

The headline at the bullet of the atomic scientists.

...

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