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Nuclear Matters

Liz Williams
Australia
Nuclear Security
IAEA
Nuclear Matters
Seismology
Comprehensive Nuclear-Test-Ban Treaty Organization
Theranostics
Myanmar
International Atomic Energy Agency
Tellus
Low-Level Radioactive Waste
Iraq
Nonproliferation
Nuclear Safeguards
Citizen Science
Governance Of Nuclear Technologies
Australian National University
Nuclear Technologies
Earth's Interior
ISO 19443

From cancer treatments that save lives to energy solutions dividing the nation, Nuclear Matters explores Australia's nuclear past, present, and future with the help of experts actively working on these issues.

Nuclear Matters is a production of the Australian National University (ANU) College of Systems and Society. Its creator, host and lead producer is Liz Williams, Nuclear Systems Discipline Le... more

PublishesMonthlyEpisodes15Foundeda year ago
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TechnologyNatural SciencesScience

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Artwork for Nuclear Matters

Latest Episodes

In this episode, our host, Liz Williams, chats with Mark Schneider about nuclear supply chains and workforce readiness. Mark is the Chief Nuclear Officer for UBH Group, and he's spent much of his adult life in the nuclear industry. He was invited to ... more

Gold is mined at about one gram per tonne, which means every decision a gold mining company makes rests on somebody being able to measure a very small amount of gold, very accurately, in a very large amount of rock. Our guest in this episode replaced... more

Imagine a global network of sensor stations, ready to detect even the smallest nuclear weapons test. This network is in fact a reality. As we learned in our last episode, the Comprehensive Nuclear Test Ban Treaty Organisation’s monitoring network is ... more

When President Trump announced last year that the US might resume nuclear weapons testing, it raised a question the world hasn't had to seriously consider in decades: what happens if they do?

In this episode, Liz Williams sits down with Professor Tr... more

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Recent Guests

Mark Schneider
Chief Nuclear Officer, UBH Group
UBH Group
Episode: Nuclear submarine supply chains and workforce readiness, with Mark Schneider
James Tickner
Chief Scientist and Co-Founder of Chrysos Corporation
Chrysos Corporation
Episode: Turning nuclear science into gold, with Dr James Tickner
Hrvoje Tkalčić
Head of Geophysics at ANU and Director of the Warramunga Facility
Australian National University
Episode: How seismology helps the world detect nuclear weapons tests (amongst other things), with Professor Hrvoje Tkalčić
Stephen Tronchin
Postdoctoral Research Fellow
Adelaide University / Radinnovate
Episode: What are theranostics, and how are they used to treat cancer? With Dr Ashleigh Hull and Dr Stephen Tronchin
Ashleigh Hull
Nuclear Medicine Technologist and lecturer in Medical Physics
Adelaide University / Radinnovate
Episode: What are theranostics, and how are they used to treat cancer? With Dr Ashleigh Hull and Dr Stephen Tronchin
Michiel Van Oudheusden
Associate Professor of Public Participation in Science and Democracy
VU Amsterdam
Episode: Citizen science and nuclear technologies, with A/Prof Michiel Van Oudheusden
Trevor Findlay
Honorary professorial fellow at the University of Melbourne and author of Transforming Nuclear Safeguards Culture, The IAEA, Iraq, and the Future of Nonproliferation
University of Melbourne
Episode: Exploring nuclear safeguards cultures, with Prof Trevor Findlay
Madison Williams-Hoffman
Postdoctoral fellow focusing on plutonium transport in marine environments at ANU
ARC Radinnovate Industrial Transformation Training Centre at ANU
Episode: How does plutonium behave in marine environments? - with Madison Williams-Hoffman
Nate Smith
Tellus CEO and Managing Director
Tellus
Episode: Trust, technology, and radioactive waste, with Nate Smith

Host

Liz Williams
Host of Nuclear Matters

Reviews

5.0 out of 5 stars from 4 ratings
  • Australia needs this podcast

    As a physicist and science communicator can I just say how very welcome this podcast is! Liz is an excellent, knowledgeable expert in the area and her capacity to deliver insightful interviews really shines through. Just one episode in I’ve shared this with more people than I’ve ever shared a podcast in. Great work, keep it up!

    Apple Podcasts
    5
    suz1806
    Australiaa year ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

High-quality, accessible interviews that make complex nuclear science understandable.
Consistently rigorous and thoughtful, with a good balance of technical depth and policy context.
Great depth on governance and safeguards; could appeal to listeners beyond Australia.
Strong host expertise and engaging guests that connect science to real-world implications.
Notable for linking academic research to industry and governance discussions.

Top Technology Podcasts

Talking Points

Recent interactions between the hosts and their guests.

Nuclear submarine supply chains and workforce readiness, with Mark Schneider
Q: What role do government programs and prime contractors play in signaling what SMEs need to do?
Programs like AUSCUE/DIVCUE and agencies such as ASA help SMEs access the US supply chain, but there is still a need for clear, centralized guidance on nuclear-specific licensing, standards adoption, and the path to certification.
Nuclear submarine supply chains and workforce readiness, with Mark Schneider
Q: Can you give people a sense of what ISO 19443 actually does and why it's useful for organizations entering the space?
ISO 19443 augments ISO 9001 by incorporating IAEA safety standards into the supply chain, addressing issues like counterfeit items, metrology, and the graded safety approach, which helps ensure nuclear safety is integrated from design through deployment.
Turning nuclear science into gold, with Dr James Tickner
Q: What did the first mining company that trialed Photon Assay experience look like and what did it take to scale from there?
Early adopters, starting with a small WA lab, provided proof by taking the first units and showing rapid, reliable results; this built credibility to expand to larger labs and eventually on-site installations, helping shift industry perception and adoption.
Turning nuclear science into gold, with Dr James Tickner
Q: Can we give listeners a sense of what a process for figuring out whether you've got gold in sufficient quantities might look like?
The process underpins exploration and production: measuring gold accurately in samples, ensuring the material is economically viable to mine, and guiding where to process; Photon Assay enables fast, sensitive, and representative measurements by using high-energy X-rays to excite gold nuclei and detect characteristic gamma signatures.
What are theranostics, and how are they used to treat cancer? With Dr Ashleigh Hull and Dr Stephen Tronchin
Q: How is a good theranostic pair selected?
A good pair uses chemically identical or very similar compounds for imaging and therapy, ensuring similar biokinetics; the imaging isotope guides dose planning for the therapeutic isotope, and matching chelators help maintain stability and targeting.

Audience Metrics

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Frequently Asked Questions About Nuclear Matters

What is Nuclear Matters about and what kind of topics does it cover?

Nuclear Matters features in-depth conversations with researchers, policymakers, and industry experts at the intersection of science, technology, and governance. Episodes frequently explore practical applications of nuclear science—ranging from cancer diagnostics and therapy to verification, safeguards, and energy implications—while unpacking historical context, policy dynamics, and real-world adoption challenges. The show stands out for combining rigorous technical depth with accessible explanations, guest diversity across academia, national labs, and international bodies, and a university-backed, evidence-driven presentation. Potential listeners include researchers, engineers, policymakers, and professionals in science communications or in... more

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These podcasts share a similar audience with Nuclear Matters:

1. World Nuclear News
2. The National Security Podcast
3. The Rest Is Politics: US

How many episodes of Nuclear Matters are there?

Nuclear Matters launched a year ago and published 15 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Nuclear Matters?

Recent guests on Nuclear Matters include:

1. Mark Schneider
2. James Tickner
3. Hrvoje Tkalčić
4. Stephen Tronchin
5. Ashleigh Hull
6. Michiel Van Oudheusden
7. Trevor Findlay
8. Madison Williams-Hoffman

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