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The fuel of the future is already here: Why TRISO matters
Millimeter-scale particles of nuclear-reactor fuel are encased in four layers of different materials that act as a “miniature containment system”.
Amazon is investing in next-generation nuclear technology to meet the rising energy demands of AI infrastructure and cloud computing, and at the heart of that technology are tristructural isotropic (TRISO) fuel particles. This is not your grandparents’ nuclear-reactor fuel. These tiny, robust TRISO particles represent a step forward in the design, performance, and inherent safety of reactor fuel. To understand why TRISO-based fuel is exceptional, consider what reactor fuel must do. In addition to sustaining a controlled fission reaction, it must contain the radioactive byproducts of that reaction, known as fission products. These include…
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