The Story: Will Nuclear Fusion Save the World?
TechStuff
iHeartPodcasts
4.3 • 1.9K Ratings
🗓️ 17 December 2025
⏱️ 29 minutes
🧾️ Download transcript
Summary
Is nuclear fusion the clean energy we need? Oz speaks with Commonwealth Fusion Systems' scientist and engineer Alex Creely and fashion designer Gabriela Hearst about why the public should get excited about nuclear fusion. Together, they discuss what it will take to commercialize fusion, how Gabriela’s 2022 fashion show changed the public conversation, and whether we’ll have nuclear fusion by 2030.
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Transcript
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| 0:00.0 | This is an I-Heart podcast. |
| 0:02.5 | Guaranteed human. |
| 0:19.6 | Welcome to Tech Stuff. This is the story. I'm Osvaloshan here with Kara Price. |
| 0:23.9 | Hi, Oz. |
| 0:25.0 | Hi, Kara. So this week, I wanted to ask a simple but very big question, which is, can nuclear fusion save the world? |
| 0:33.8 | And if so, on what timeline? |
| 0:36.1 | Is it ridiculous for me to ask what nuclear fusion is? |
| 0:39.0 | I genuinely don't know. |
| 0:40.5 | Not at all, actually. |
| 0:42.0 | And it's a little confusing because we hear so much about nuclear all the time at the moment, |
| 0:45.7 | especially with the new demands for energy from the AI industry. |
| 0:49.0 | But people are normally talking about nuclear fission rather than nuclear fusion. |
| 0:53.1 | But I'm going to let Alex Creeley explain this, who works at a company called Commonwealth Fusion Systems. |
| 0:59.5 | So fusion is the process that powers the stars. |
| 1:02.1 | You take small atoms like hydrogen. |
| 1:04.0 | You combine them together. |
| 1:05.2 | You make bigger atoms like helium. |
| 1:06.3 | And that releases like a whole bunch of energy. |
| 1:08.8 | So it's a bunch of potential advantages. It's clean. |
| 1:12.0 | It's firm. So it turns on when you want it and not when you don't. And hopefully if we can |
| 1:16.2 | make it work in a power plant on Earth, it'll change the way the world makes electricity. |
| 1:20.1 | So as you were saying, like this is obviously a concept that is different than nuclear fission. |
... |
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