#485 – David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy
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Nuclear fusion engineer and Helion Energy CEO David Kirtley explains how fusion works and how it differs from fission. He covers plasma physics, extreme temperatures, fusion control and simulation, and safety questions like Chernobyl. The conversation also looks at turning fusion into electricity, the plan for a first commercial fusion plant by 2028, and energy demand from GPU clusters. It closes with big-picture topics like the Kardashev scale and the Fermi Paradox.