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Fusion Energy Is Tech's Next Big Unlock

Fusion Energy Is Tech's Next Big Unlock

Y Combinator Startup Podcast
Jun 6, 2025 8 min
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About this episode

<p>Fusion may still sound like science fiction— but it might not be for much longer. With AI pushing demand for clean power to new highs, a breakthrough may finally be close.</p><p><br></p><p>For Decoded, YC General Partner Gustaf Alstromer traces the history of fusion, the physics behind it, and the engineering challenges that stalled it for nearly a century. </p><p><br></p><p>He also looks at how Helion is approaching the problem differently, as they develop a new fusion system expected to deliver power to Microsoft by 2028.</p>

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