#485 – David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy

Lex Fridman PodcastNovember 17, 2025

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  • Future fusion can’t replace present-day energy planning

    Posted by seed09 on October 18, 2026 at 7:01 am

    The episode connects fusion with geopolitics and growing GPU-cluster demand. A successful commercial system could change long-term supply, but uncertain timing means planners still need generation, transmission, and efficiency choices available now. Betting against fusion and planning as if it's imminent would both overstate what this conversation establishes.

    After Poddy editorial starter Based on the episode chapter notes.

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